{"product_id":"deepshark-bed-gap-filler-for-king-mattress-high-density-45d-foam","title":"Deepshark Bed Gap Filler for King Mattress - High-Density 45D Foam","description":"\u003cp\u003eOur review of the Deepshark Bed Gap Filler for King Mattress finds it best for sleepers who need a simple, durable solution to the annoying gap between mattress and headboard or wall. The single biggest reason to buy is the high-density 45D sponge core combined with a removable linen cover, which provides firm support to stop pillows, remotes and pets from falling into the crack while remaining easy to clean. For anyone wanting a cleaner, wider sleeping surface without replacing bedding, this is a practical fix.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple size options:\u003c\/strong\u003e Available to fit common mattress widths including 39 in, 54 in, 60 in and 78 in so you can choose a precise length for Twin through King sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-density 45D sponge:\u003c\/strong\u003e The core is resilient and firm, designed to maintain shape and prevent collapse under pillows and light pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable linen cover:\u003c\/strong\u003e A breathable, skin-friendly linen fabric with a durable zipper makes the cover easy to remove and wash for routine cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide application range:\u003c\/strong\u003e Intended for the gap at the headboard, between two mattresses, or against a wall, it effectively fills variable bed cracks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable packaging:\u003c\/strong\u003e The sponge ships compressed and regains full size within 48-72 hours, allowing compact shipping without long-term performance loss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Deepshark gap filler is for anyone with a visible gap at the head of the bed who wants a quick, non-permanent fix that keeps pillows and small items from falling. It suits households that value a firmer filler and want a cover that can be removed and laundered.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who need a very soft or plush wedge rather than a firm foam, or shoppers who cannot wait for the compressed foam to fully expand, as some customers report incomplete expansion over the first days.\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\u003eFirm, high-density foam that reliably fills headboard gaps and keeps items on the mattress.\u003c\/li\u003e\n\u003cli\u003eWide range of sizes so the filler can match mattress width from Twin through King.\u003c\/li\u003e\n\u003cli\u003eBreathable linen cover with zipper makes cleaning straightforward and keeps the unit hygienic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompression packaging means the foam can take 48-72 hours to expand fully and some users report incomplete expansion.\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 fabric, removable with zipper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable sizes\u003c\/td\u003e\n\u003ctd\u003e39 in, 54 in, 60 in, 78 in (Twin to King)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eHeadboard gap, between two mattresses, mattress to wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCare\u003c\/td\u003e\n\u003ctd\u003eCover removable; tumble dry low or air dry\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 straightforward, good-value solution for filling mattress-to-headboard gaps, especially for users who want firm support and an easy-to-clean cover. It is best for those prepared to allow time for the compressed 45D sponge to expand; despite that, the build quality and size options make it a practical addition to most bedrooms.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill the filler fit my King mattress?\u003c\/strong\u003e\u003cbr\u003eThe product is available in a 78 in option intended for King mattresses and other sizes for Twin, Full and Queen widths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I wash the cover?\u003c\/strong\u003e\u003cbr\u003eYes, the linen cover has a zipper and is removable; the manufacturer recommends tumble dry low or air dry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long until the foam expands?\u003c\/strong\u003e\u003cbr\u003eThe compressed sponge typically needs 48-72 hours to fully expand after unpacking, though some customers report a longer or incomplete expansion period.\u003c\/p\u003e","brand":"DEEPSHARK","offers":[{"title":"Default Title","offer_id":48631628988635,"sku":"B0C1YWYDJW","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81dJ0lkSMGL._AC_SL1500_4422a360-9ad7-4afc-b140-f85cef9ad7c5.jpg?v=1778528672","url":"https:\/\/gearmusthave.com\/products\/deepshark-bed-gap-filler-for-king-mattress-high-density-45d-foam","provider":"GearMustHave","version":"1.0","type":"link"}