{"product_id":"100-cotton-cot-mattress-protector-dust-mite-encasement","title":"Cot Mattress Protector | Cotton | Zippered Encasement","description":"\u003csection class=\"dmas-block\" aria-label=\"Product details\"\u003e\n\u003cdiv class=\"dmas-hero\"\u003e\n\u003cdiv class=\"dmas-hero__intro\" id=\"dmas-what\"\u003e\n\u003ch2 class=\"dmas-h2\"\u003eDust mite cot mattress protector — 100% cotton, zippered\u003c\/h2\u003e\n\u003cp class=\"dmas-lead\"\u003eA 100% cotton encasement that seals your cot mattress on all six sides, keeping dust mite allergens trapped inside rather than in the air around your child.\u003c\/p\u003e\n\u003cp class=\"dmas-body\"\u003eCot mattresses accumulate skin cells over time, making them a dust mite allergen reservoir in the nursery.\u003c\/p\u003e\n\u003cp class=\"dmas-body\"\u003eThe tightly woven cotton creates a barrier against the fine particles that carry those allergens (typically 10–40 microns), while staying soft and breathable. A fitted cot sheet goes over the top.\u003c\/p\u003e\n\u003cdiv class=\"dmas-note\" style=\"background:#fff8e1;border-left:4px solid #f5a623;padding:.9rem 1rem;margin:1rem 0;border-radius:0 8px 8px 0;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eSafe sleep notice:\u003c\/strong\u003e This protector fits over the cot mattress, under your child’s fitted sheet — it is not loose bedding. Always follow \u003ca class=\"dmas-link\" href=\"https:\/\/rednose.org.au\/article\/safe-sleeping-recommendations\" rel=\"noopener\" target=\"_blank\"\u003eRed Nose Australia’s safe sleeping guidance\u003c\/a\u003e: place baby on their back, feet at the foot of the cot, and keep the cot bare of loose items for infants under 12 months. The sheet must fit snugly with no loose fabric on the sleep surface.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dmas-trust\"\u003e\n\u003cdiv class=\"dmas-trust__item\"\u003e\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e\u003cspan\u003eover $150\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dmas-trust__item\"\u003e\n\u003cstrong\u003e12-month\u003c\/strong\u003e\u003cspan\u003ewarranty\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dmas-trust__item\"\u003e\n\u003cstrong\u003e3rd party\u003c\/strong\u003e\u003cspan\u003epore-size tested\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dmas-section\" id=\"dmas-barrier\"\u003e\n\u003ch2 class=\"dmas-h2\"\u003eWhat makes a dust mite cot mattress protector (encasement) effective\u003c\/h2\u003e\n\u003cp class=\"dmas-lead\"\u003eA tightly woven 100% cotton fabric with a most common pore size of around 2.7 microns — far smaller than the 10–40 micron particles that carry dust mite allergens — sewn into a full encasement and sealed with enclosed binding seams.\u003c\/p\u003e\n\u003cul class=\"dmas-list dmas-list--feature\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust mite allergen barrier\u003c\/strong\u003e — a tight weave with a most common pore size well below allergen-particle size, helping keep dust mite waste inside the cot mattress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable natural cotton\u003c\/strong\u003e — a woven natural-fibre fabric that breathes, with no polyurethane laminate or plastic feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmful-substance tested\u003c\/strong\u003e — the cotton fabric is tested for harmful substances according to OEKO-TEX® Standard 100.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosed binding seams\u003c\/strong\u003e — the fabric edges are sealed inside a bound seam, so the barrier stays continuous along every join.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull zippered closure\u003c\/strong\u003e — fully encloses all six sides of the cot mattress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo sizes\u003c\/strong\u003e — Standard (132×72×13cm) and Boori Cot (132×78×13cm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdetails class=\"dmas-acc\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eThe pore-size detail (third-party tested)\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cp\u003eDust mite allergens are carried by fecal pellets and body fragments that typically measure 10 to 40 microns. According to a third-party test report, this fabric (Sample 00022) has a most common pore size of approximately 2.7 microns (diameter at maximum distribution) (third-party capillary flow porometry, Galwick fluid) — well below that range. The full zippered closure and enclosed binding seams keep the barrier continuous around all six sides of the cot mattress. Pore-size figures are from a third-party laboratory test report provided by our manufacturer; a copy is available on request.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"dmas-acc\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eMaterials \u0026amp; specifications\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cdiv class=\"dmas-table-wrap\"\u003e\u003ctable class=\"dmas-table\"\u003e\n\u003ccaption class=\"dmas-visually-hidden\"\u003eMaterials and testing specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFabric\u003c\/th\u003e\n\u003ctd\u003e100% cotton, tightly woven\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePore size\u003c\/th\u003e\n\u003ctd\u003eMost common pore size approximately 2.7 microns (diameter at maximum distribution; capillary flow porometry, Galwick fluid). From a third-party test report.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTextile testing\u003c\/th\u003e\n\u003ctd\u003eTested for harmful substances according to OEKO-TEX® Standard 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSizes\u003c\/th\u003e\n\u003ctd\u003eStandard 132×72×13cm | Boori Cot 132×78×13cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eClosure\u003c\/th\u003e\n\u003ctd\u003eFull zippered closure, encloses all six sides\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeams\u003c\/th\u003e\n\u003ctd\u003eEnclosed binding seams that keep the barrier continuous along each join\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e12-month voluntary warranty against manufacturing defects, in addition to your Australian Consumer Law rights (excludes misuse, improper washing, or damage). See our \u003ca href=\"\/policies\/refund-policy\"\u003eRefund Policy\u003c\/a\u003e for full terms.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dmas-section\" id=\"dmas-who\"\u003e\n\u003ch2 class=\"dmas-h2\"\u003eWho this dust mite cot mattress protector (encasement) is for\u003c\/h2\u003e\n\u003cp class=\"dmas-lead\"\u003eBest for parents wanting a breathable cotton dust mite barrier on a standard or Boori cot mattress.\u003c\/p\u003e\n\u003cp class=\"dmas-eyebrow\"\u003eCommonly chosen by\u003c\/p\u003e\n\u003cul class=\"dmas-list dmas-list--check\"\u003e\n\u003cli\u003eAnyone building a dust mite barrier across the home, including the nursery\u003c\/li\u003e\n\u003cli\u003eParents who prefer 100% natural cotton without polyurethane laminates or synthetic fibres\u003c\/li\u003e\n\u003cli\u003eParents who want cotton tested for harmful substances according to OEKO-TEX® Standard 100 under their child’s fitted sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"dmas-eyebrow\"\u003eProbably not the right fit if\u003c\/p\u003e\n\u003cul class=\"dmas-list dmas-list--cross\"\u003e\n\u003cli\u003eYou need waterproof protection — see our \u003ca class=\"dmas-link\" href=\"\/products\/waterproof-cot-mattress-protector-dust-mite-encasement\"\u003ewaterproof cot mattress protector\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eYour cot mattress differs significantly from the listed sizes — measure first and \u003ca class=\"dmas-link\" href=\"https:\/\/www.dustmiteallergysolutions.com.au\/pages\/contact\"\u003econtact us\u003c\/a\u003e if unsure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dmas-section\" id=\"dmas-fit\"\u003e\n\u003ch2 class=\"dmas-h2\"\u003eHow to fit it safely\u003c\/h2\u003e\n\u003cp class=\"dmas-lead\"\u003eFitting correctly matters for both barrier integrity and safe sleep. The protector must sit flat with no loose fabric on the sleep surface.\u003c\/p\u003e\n\u003cdetails class=\"dmas-acc\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eStep-by-step fitting\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003col class=\"dmas-steps\"\u003e\n\u003cli\u003eRemove the cot mattress and any existing bedding.\u003c\/li\u003e\n\u003cli\u003eUnzip the encasement fully and slide it over the mattress, ensuring all six sides are covered.\u003c\/li\u003e\n\u003cli\u003eClose the zipper completely — there should be no gap.\u003c\/li\u003e\n\u003cli\u003eSmooth the fabric flat with no loose, bunched, or excess fabric on the sleep surface.\u003c\/li\u003e\n\u003cli\u003ePlace the cot mattress back in the cot.\u003c\/li\u003e\n\u003cli\u003eFit a tight-fitting cot sheet over the top — snug with no loose fabric or wrinkles.\u003c\/li\u003e\n\u003cli\u003eFollow Red Nose Australia safe sleeping guidance: keep the cot bare with no pillows, blankets, soft toys, or padded items for infants under 12 months.\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"dmas-acc\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eChoosing the right size\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cp\u003eMeasure your cot mattress before ordering — cotton has minimal stretch so a close match is important. Standard Australian cot mattresses are 132×72cm; Boori-brand cots take 132×78cm mattresses. Both are 13cm deep. If your cot mattress differs significantly from these dimensions, \u003ca class=\"dmas-link\" href=\"https:\/\/www.dustmiteallergysolutions.com.au\/pages\/contact\"\u003econtact us\u003c\/a\u003e before ordering.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dmas-section\" id=\"dmas-care\"\u003e\n\u003ch2 class=\"dmas-h2\"\u003eCare\u003c\/h2\u003e\n\u003cp class=\"dmas-lead\"\u003eWash before first use. \u003ca href=\"https:\/\/www.allergy.org.au\/patients\/allergy-treatments\/allergen-minimisation\" target=\"_blank\" rel=\"noopener\"\u003eASCIA recommends\u003c\/a\u003e washing dust mite covers at least every two months. Warm or gentle cycle, do not exceed 60°C. Skip bleach and fabric softeners.\u003c\/p\u003e\n\u003cdetails class=\"dmas-acc\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eFull care instructions\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cul class=\"dmas-list dmas-list--plain\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore first use:\u003c\/strong\u003e wash the encasement before fitting, to remove any production residues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWash:\u003c\/strong\u003e warm or gentle cycle. Do not exceed 60°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry:\u003c\/strong\u003e tumble dry low\/medium or air dry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e at least every two months (ASCIA's recommendation). The fitted sheet on top gets washed regularly with your child’s linen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid:\u003c\/strong\u003e bleach, fabric softeners, dry cleaning, and any oils or strong detergents.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dmas-section\" id=\"dmas-faq\"\u003e\n\u003ch2 class=\"dmas-h2\"\u003eDust mite cot mattress protector (encasement) FAQs\u003c\/h2\u003e\n\u003cdetails class=\"dmas-acc dmas-acc--faq\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eWill it fit my cot mattress?\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cp\u003eMeasure your cot mattress before ordering. Standard Australian cot mattresses are 132×72cm; Boori-brand cots take 132×78cm. Cotton has minimal stretch, so a close size match matters. \u003ca class=\"dmas-link\" href=\"https:\/\/www.dustmiteallergysolutions.com.au\/pages\/contact\"\u003eContact us\u003c\/a\u003e if your mattress differs significantly from these sizes.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"dmas-acc dmas-acc--faq\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eIs this safe for infants?\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cp\u003eThe fabric is tested for harmful substances according to OEKO-TEX® Standard 100. The protector fits over the cot mattress under a tight-fitting cot sheet — it is not loose bedding inside the cot. Always follow \u003ca class=\"dmas-link\" href=\"https:\/\/rednose.org.au\/article\/safe-sleeping-recommendations\" rel=\"noopener\" target=\"_blank\"\u003eRed Nose Australia’s safe sleeping guidance\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"dmas-acc dmas-acc--faq\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eWhat’s the difference between this and the waterproof cot protector?\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cp\u003eBoth can be used as a barrier against dust mite particles. This cotton version is 100% natural cotton, tested for harmful substances according to OEKO-TEX® Standard 100, and more breathable, but it is not waterproof. The \u003ca class=\"dmas-link\" href=\"\/products\/waterproof-cot-mattress-protector-dust-mite-encasement\"\u003ewaterproof cot protector\u003c\/a\u003e also blocks liquid spills and accidents — better for younger infants or during toilet training.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"dmas-acc dmas-acc--faq\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eShould I discuss this with my GP or paediatrician first?\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cp\u003eIf your child has a diagnosed allergy, eczema, asthma, or any other medical condition, yes — your GP, paediatrician, or allergist is the right person to advise on whether barrier bedding suits your child’s situation. We describe what the fabric measurably does; we don’t make claims about medical conditions.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"dmas-acc dmas-acc--faq\"\u003e\u003csummary\u003e\u003cspan class=\"dmas-summary-head\"\u003eWhat does OEKO-TEX® Standard 100 mean?\u003c\/span\u003e\u003cspan class=\"dmas-chev\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"dmas-acc__body\"\u003e\u003cp\u003eThe cotton fabric is labelled “Tested for harmful substances according to OEKO-TEX® Standard 100”. OEKO-TEX® Standard 100 is an independent testing standard that checks textiles for harmful substances. It is not an indication of suitability for any specific medical condition.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e.dmas-block{--dmas-ink:#272635;--dmas-ink-soft:#56555f;--dmas-line:#dcdce4;--dmas-muted:#a6a6a8;--dmas-paper:#ffffff;--dmas-mist:#e8e9f3;--dmas-blue:#b1e5f2;--dmas-blue-soft:#d4f0f8;--dmas-blue-deep:#7fcfe0;--dmas-link:#272635;--dmas-radius:14px;max-width:760px;margin:0 auto;color:var(--dmas-ink);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;}.dmas-block *{box-sizing:border-box;}.dmas-lead,.dmas-body,.dmas-list li,.dmas-acc summary,.dmas-acc__body,.dmas-acc__body p,.dmas-steps li,.dmas-table,.dmas-table th,.dmas-table td,.dmas-trust__item span,.dmas-eyebrow,.dmas-note,.dmas-h3,.dmas-trust__item strong{font-size:16px;}.dmas-hero{background:#fff;padding:0 0 .5rem;margin:0 0 1.25rem;}.dmas-hero__intro{margin-top:0;}.dmas-hero__intro .dmas-h2{margin-bottom:.5rem;}.dmas-hero__intro .dmas-body{color:var(--dmas-ink-soft);margin-bottom:0;}.dmas-hero .dmas-trust{margin-top:1.25rem;}.dmas-trust{display:flex;flex-wrap:wrap;gap:.6rem;margin:0;}.dmas-trust__item{flex:1 1 30%;min-width:120px;display:flex;flex-direction:column;align-items:center;text-align:center;padding:.85rem .6rem;border-radius:10px;background:var(--dmas-blue-soft);border:1px solid var(--dmas-line);}.dmas-trust__item strong{color:var(--dmas-ink);letter-spacing:-.01em;font-weight:700;}.dmas-trust__item span{color:var(--dmas-ink-soft);margin-top:.1rem;}.dmas-link{color:var(--dmas-link);font-weight:600;text-decoration:none;box-shadow:inset 0 -2px 0 var(--dmas-blue-deep);transition:box-shadow .15s ease;}.dmas-link:hover,.dmas-link:focus-visible{box-shadow:inset 0 -1.1em 0 var(--dmas-blue);}.dmas-section{position:relative;padding:1.6rem 0;margin:0;border-top:1px solid var(--dmas-line);scroll-margin-top:80px;}.dmas-section::before{content:\"\";position:absolute;top:-1px;left:0;width:44px;height:3px;border-radius:3px;background:var(--dmas-blue-deep);}.dmas-section:first-of-type{border-top:0;}.dmas-section:first-of-type::before{display:none;}.dmas-h2{font-size:22px;line-height:1.22;font-weight:700;margin:0 0 .55rem;letter-spacing:-.01em;color:var(--dmas-ink);}.dmas-h3{font-weight:700;margin:0 0 .3rem;color:var(--dmas-ink);}.dmas-lead{line-height:1.55;color:var(--dmas-ink);margin:0 0 1rem;font-weight:500;}.dmas-body{margin:0 0 1rem;color:var(--dmas-ink-soft);}.dmas-eyebrow{font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--dmas-ink-soft);margin:1.25rem 0 .5rem;}.dmas-list{margin:0 0 .25rem;padding:0;list-style:none;}.dmas-list li{position:relative;padding:.3rem 0 .3rem 1.7rem;color:var(--dmas-ink-soft);}.dmas-list--check li::before,.dmas-list--cross 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