{"product_id":"bed-gap-filler-for-king-mattress-high-density-45d-sponge","title":"Bed Gap Filler for King Mattress - High-Density 45D Sponge","description":"\u003cp\u003eIn this review of the bed gap filler for king mattresses, the bottom line is simple: it is a practical, no-nonsense solution for anyone tired of losing pillows, remotes or small items into the crack between mattress and headboard. The product stands out for its broad size selection and firmer high-density 45D sponge core, which aims to stop items from falling while creating a more continuous sleep surface. It is best for households that need a durable, washable filler that holds shape rather than a plush pad.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Size Selection:\u003c\/strong\u003e Available to fit common mattress widths, the filler comes in multiple lengths so it can match Twin, Twin XL, Full, Queen and King mattress setups for a tailored fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density 45D Sponge:\u003c\/strong\u003e The interior foam is firmer and resilient, which helps the filler resist collapse and keeps pillows and small items from sinking into the gap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Designed for the gap between mattress and headboard, between two mattresses or against a wall, it creates a wider usable sleep surface and prevents items from falling through.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Washable Cover:\u003c\/strong\u003e The linen-like breathable cover has a durable zipper and is easy to remove for machine washing and low-heat tumble dry or air dry, keeping the bed clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Packaging:\u003c\/strong\u003e The filler ships compressed and is designed to regain shape over 48-72 hours, which reduces shipping size while restoring the foam after opening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is ideal for owners of larger mattresses who want to stop small items from falling into the headboard gap or to create a continuous sleeping surface between two mattresses. It particularly suits people who prefer a firmer, supportive foam rather than a soft, cushiony insert and who value a removable, washable cover for hygiene.\u003c\/p\u003e\n\u003cp\u003eShoppers who need an ultra-soft or immediately fully expanded cushion may find the 45D sponge firmer than expected and should consider softer positioners instead. Also, buyers who require instant full expansion should allow for the 48-72 hour recovery time after unpacking.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWell matched size options allow a precise fit for different mattress widths, reducing gaps effectively.\u003c\/li\u003e\n\u003cli\u003eFirm 45D foam core offers durability and prevents collapse over time for consistent support.\u003c\/li\u003e\n\u003cli\u003eRemovable linen-like cover with a zipper makes cleaning straightforward and maintains hygiene.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFoam is noticeably firm and some users may find it too rigid for a plush feel.\u003c\/li\u003e\n\u003cli\u003eCompressed shipping requires 48-72 hours to fully expand, so results are not immediate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDEEPSHARK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Material\u003c\/td\u003e\n\u003ctd\u003eHigh-density 45D sponge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover Material\u003c\/td\u003e\n\u003ctd\u003eBreathable linen-like fabric with zipper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits Mattress Widths\u003c\/td\u003e\n\u003ctd\u003e39 in, 54 in, 60 in, 78 in (Twin\/Twin XL, Full, Queen, King)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eHeadboard gap, mattress extender, wall edge, gap between two mattresses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCare\u003c\/td\u003e\n\u003ctd\u003eRemovable cover; tumble dry low or air dry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 48-72 hours after unpacking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe DEEPSHARK bed gap filler is a practical pick for those seeking a firm, reliable solution to the mattress-headboard gap, offering a range of sizes and a washable cover for easy upkeep. It delivers good value for buyers who prioritize durability and gap prevention, though anyone wanting a softer, immediately plush insert should consider alternatives.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill the filler fit my mattress width?\u003c\/strong\u003e\u003cbr\u003eChoose from the offered sizes that match common mattress widths (39 in, 54 in, 60 in, 78 in) to get a snug fit for Twin through King mattresses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long until it returns to full shape?\u003c\/strong\u003e\u003cbr\u003eBecause it ships compressed, allow about 48-72 hours for the high-density sponge to fully expand and return to intended firmness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I clean the cover?\u003c\/strong\u003e\u003cbr\u003eYes, the removable linen-like cover has a zipper and can be washed; tumble dry low or air dry for best results.\u003c\/p\u003e","brand":"DEEPSHARK","offers":[{"title":"Default Title","offer_id":48195277816027,"sku":"B0C1YW96R5","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81iBW1UCquL._AC_SL1500.jpg?v=1770271366","url":"https:\/\/gearmusthave.com\/products\/bed-gap-filler-for-king-mattress-high-density-45d-sponge","provider":"GearMustHave","version":"1.0","type":"link"}