{"product_id":"3-inch-mattress-topper-california-king-size-extra-plush-support","title":"3 Inch Mattress Topper California King Size - Extra Plush Support","description":"\u003cp\u003eIn this review the 3 Inch Mattress Topper California King delivers a clear benefit for sleepers seeking extra cushioning and pressure relief. Designed to add plush loft to an existing mattress, the topper uses a 1500GSM 3D+7D down alternative fill and a viscose made from bamboo stretch-knit cover to improve comfort and temperature regulation. The biggest reason to buy is its exceptional loft and resilient fiber blend, which cradles pressure points more effectively than standard toppers while fitting deep mattresses securely.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1500GSM Plush Comfort:\u003c\/strong\u003e The heavier 1500GSM fill provides deeper loft and denser cushioning that helps relieve pressure on shoulders and hips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D+7D Fiber Blend:\u003c\/strong\u003e The combination of resilient 3D and 7D fibers is engineered to conform to body shape while returning to loft, offering supportive comfort for many sleep positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscose Made from Bamboo Cover:\u003c\/strong\u003e The stretch-knit viscose cover adds a soft, breathable surface that helps regulate temperature and feels cooler than many synthetic covers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Pocket Fit:\u003c\/strong\u003e The 8in-18in deep pocket design secures the topper to a wide range of mattress depths so it stays in place through the night.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEKO-TEX Certified Materials:\u003c\/strong\u003e Certified materials reduce concern about harmful substances and support safer use against skin and respiratory sensitivities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Care and Recovery:\u003c\/strong\u003e Vacuum-packed for shipping and designed to expand to full thickness in 24-48 hours, with a removable machine-washable cover for maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe topper is a strong choice for side and back sleepers who want more cushioning to relieve pressure points and support spinal alignment without replacing their mattress. People with medium to firm mattresses who need a softer, plusher surface will notice the extra loft and density from the 1500GSM fill.\u003c\/p\u003e\u003cp\u003eThis is less suitable for sleepers who need very firm orthopedic support or those who prefer a thin cooling layer rather than a plush pad. If you have an already very thick or soft mattress and prefer a firm feel, look for low-profile or foam-based toppers instead.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh 1500GSM fill provides noticeably deeper cushioning and pressure relief.\u003c\/li\u003e\n\u003cli\u003eViscose from bamboo cover improves breathability and adds a soft, cool surface.\u003c\/li\u003e\n\u003cli\u003eSecure deep-pocket fit keeps the topper in place on mattresses 8in to 18in deep.\u003c\/li\u003e\n\u003cli\u003eOEKO-TEX certification and removable cover make it a safer, easier-to-clean option.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe plush 3-inch thickness may be too soft for sleepers who need firm, rigid support.\u003c\/li\u003e\n\u003cli\u003eNeeds 24-48 hours to fully expand after vacuum-packed shipping for best performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eCalifornia King 72in x 84in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFill Weight\u003c\/td\u003e\n\u003ctd\u003e1500GSM 3D+7D down alternative\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover Material\u003c\/td\u003e\n\u003ctd\u003eViscose made from bamboo stretch-knit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePocket Depth\u003c\/td\u003e\n\u003ctd\u003eFits 8in-18in mattresses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCare\u003c\/td\u003e\n\u003ctd\u003eRemovable cover, machine washable; vacuum-packed recovery 24-48 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eOEKO-TEX certified materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 3 Inch Mattress Topper California King is a practical upgrade for sleepers who want a noticeably plusher surface and improved pressure relief without replacing their mattress. Its 1500GSM 3D+7D fill and breathable viscose cover deliver a comfortable, cooler sleeping surface and the deep-pocket fit keeps it secure, making it worthwhile value for those who need added cushioning.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow long does it take to expand?\u003c\/strong\u003e\u003cbr\u003eThe topper is vacuum-packed and should expand to full 3-inch thickness within 24-48 hours after unpacking.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit my deep mattress?\u003c\/strong\u003e\u003cbr\u003eThe deep-pocket design fits mattress depths from 8in to 18in to ensure a snug, non-slip fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I wash the cover?\u003c\/strong\u003e\u003cbr\u003eYes, the removable cover is machine washable for easy care and lasting freshness.\u003c\/p\u003e","brand":"LIANLAM","offers":[{"title":"Default Title","offer_id":48611559604443,"sku":"B0FF4MSYMN","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81jYTLQptHL._AC_SL1500_3e7c9ebb-7034-4dbc-b32c-1a91e3bcd3a3.jpg?v=1778403836","url":"https:\/\/gearmusthave.com\/products\/3-inch-mattress-topper-california-king-size-extra-plush-support","provider":"GearMustHave","version":"1.0","type":"link"}