{"product_id":"cal-king-waterproof-mattress-protector-gray-breathable-8-21ft-deep","title":"Cal King Waterproof Mattress Protector Gray - Breathable 8-21ft Deep","description":"\u003cp\u003eIn this review the Cal King mattress protector from BOSANE is examined for sleepers who need reliable spill protection without sacrificing comfort. The bottom line: this cover is best for anyone looking for a fully waterproof, quiet and breathable protector that fits deep mattresses up to 21' tall while feeling soft under sheets. Our review found the blend of bamboo fiber and polyester provides a comfortable sleep surface, and the thicker waterproof layer and patented adhesive deliver long-lasting protection for daily accidents and overnight sweat.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Waterproof:\u003c\/strong\u003e A waterproof layer 30% thicker than many competitors keeps spills and accidents from reaching the mattress for long-term protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHypoallergenic and Certified:\u003c\/strong\u003e Made from 38% bamboo fiber and 62% polyester with OEKO-TEX Standard 100 certification, the cover is free of vinyl, benzene, and chemical bleach for safe direct contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet and Breathable:\u003c\/strong\u003e Advanced 3D air mesh and a breathable membrane allow airflow through thousands of tiny holes so the protector stays quiet and reduces trapped heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Fit and Secure:\u003c\/strong\u003e An 18' stretchy pocket fits mattresses from 8' to 21' snugly, keeping the cover in place when you move during the night.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Wash Friendly:\u003c\/strong\u003e The US patented compound adhesive maintains waterproofing after over 500 machine washes and supports low-temp tumble dry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHassle-Free After-Sale Service:\u003c\/strong\u003e A 10-year after-sale policy offers replacement or refund without the need to return the product if you are unsatisfied.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis protector is ideal for Cal King owners who want full waterproofing plus a soft sleep surface, including families, pet owners, and people who perspire at night. The noiseless construction and breathable 3D air fabric make it a good match for those sensitive to the crinkly feel common in older vinyl covers.\u003c\/p\u003e\u003cp\u003eIt is less suitable for shoppers who want a cushioned mattress pad or added loft, since this is a slim protective cover rather than a mattress topper. Also, buyers who prefer natural materials only should note the blend of bamboo fiber with polyester.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThicker waterproof layer provides reliable protection against spills and stains.\u003c\/li\u003e\n\u003cli\u003eSoft bamboo blend surface feels comfortable under sheets and wicks sweat and odors.\u003c\/li\u003e\n\u003cli\u003eQuiet, breathable 3D air mesh keeps heat from building up and prevents rustling.\u003c\/li\u003e\n\u003cli\u003eDurable fit for deep mattresses and machine washable for easy care.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot designed to add cushioning or loft; it protects rather than pads the mattress.\u003c\/li\u003e\n\u003cli\u003eThe fabric blend includes polyester, so it is not 100% natural fiber.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWaterproof mattress protector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eCal King\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003e38% bamboo fiber, 62% polyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit Depth\u003c\/td\u003e\n\u003ctd\u003eFits 8' to 21' mattresses with 18' pocket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCare\u003c\/td\u003e\n\u003ctd\u003eMachine wash cold, low-temp tumble dry supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eOEKO-TEX Standard 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe BOSANE Cal King protector is a practical buy for anyone who needs dependable, noiseless waterproofing and a soft, breathable sleeping surface. It protects deep mattresses effectively, survives hundreds of machine washes, and offers solid value for shoppers who want mattress preservation without added bulk.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this protector make my mattress hot?\u003c\/strong\u003e\u003cbr\u003eBecause of the 3D air mesh and breathable membrane, it allows airflow and reduces heat buildup compared with non-breathable vinyl covers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be washed and remain waterproof?\u003c\/strong\u003e\u003cbr\u003eYes, the US patented compound adhesive is rated to keep the protector waterproof after over 500 machine wash cycles; use cold wash and low-temp tumble dry.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it fit very deep mattresses?\u003c\/strong\u003e\u003cbr\u003eYes, the 18' stretchy pocket is designed to fit mattresses from 8' up to 21' deep and hold the cover securely.\u003c\/p\u003e","brand":"BOSANE","offers":[{"title":"Default Title","offer_id":48231073579227,"sku":"B0CKLR3HYK","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81AI0TCJBdL._AC_SL1500.jpg?v=1770839781","url":"https:\/\/gearmusthave.com\/products\/cal-king-waterproof-mattress-protector-gray-breathable-8-21ft-deep","provider":"GearMustHave","version":"1.0","type":"link"}