{"product_id":"4-inch-no-assembly-folding-metal-box-spring-mattress-foundation","title":"4-Inch No-Assembly Folding Metal Box Spring Mattress Foundation","description":"\u003cp\u003eRedefine convenience with this 4-inch folding metal box spring mattress foundation — no tools, no assembly, no hassle. Simply remove from the box, unfold, and it instantly takes shape. Built with a thick, durable steel structure and a poly jacquard cover, this low profile foundation is designed for long-lasting performance and effortless setup. Available in Queen, Split King, Split California King, and Twin sizes.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Assembly Required\u003c\/strong\u003e — Unfolds instantly out of the box into a fully formed box spring shape; no tools or hardware needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFolding Design\u003c\/strong\u003e — Compresses flat for easy transport, storage, and maneuvering through tight hallways and corners on moving day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThick Steel Construction\u003c\/strong\u003e — Sturdy steel fill structure provides the look of a traditional box spring with superior long-term durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Inch Low Profile Height\u003c\/strong\u003e — Sleek, space-saving design ideal for modern bedrooms and low-clearance bed frames\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirm Support\u003c\/strong\u003e — Tight top design with firm firmness rating for consistent, even mattress support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoly Jacquard Cover\u003c\/strong\u003e — Durable, finished fabric cover for a clean, traditional box spring appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e350 lb Weight Capacity\u003c\/strong\u003e — Supports up to 350 lbs for reliable everyday use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Warranty\u003c\/strong\u003e — Backed by a worry-free 5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMaterials \u0026amp; Construction\u003c\/h2\u003e\n\u003cp\u003eConstructed with a thick steel internal structure and a 2-layer build for lasting durability and consistent mattress support. The poly jacquard fabric cover gives it the appearance of a traditional box spring while the folding steel frame makes it far more practical for modern living. Designed to outlast standard box springs and compatible with most standard bed frames.\u003c\/p\u003e\n\n\u003ch2\u003eSetup \u0026amp; Mobility\u003c\/h2\u003e\n\u003cp\u003eNo assembly required. Simply slide the foundation out of the box and unfold — it opens immediately to the shape of a box spring. The folding design also makes it easy to move between rooms or transport during a move, fitting easily through narrow hallways and tight corners.\u003c\/p\u003e\n\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBedrooms requiring a low-profile, no-assembly mattress foundation\u003c\/li\u003e\n\u003cli\u003eRenters and frequent movers who need easy transport and setup\u003c\/li\u003e\n\u003cli\u003ePlatform bed frames and modern bedroom setups\u003c\/li\u003e\n\u003cli\u003eAnyone seeking a durable, long-lasting alternative to traditional box springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Dimensions (Twin Size)\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMeasurement\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e74 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e38 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Dimensions (Twin)\u003c\/td\u003e\n\u003ctd\u003e74\"L x 38\"W x 4\"Th\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (Twin)\u003c\/td\u003e\n\u003ctd\u003e74 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth (Twin)\u003c\/td\u003e\n\u003ctd\u003e38 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover Material\u003c\/td\u003e\n\u003ctd\u003ePoly Jacquard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFill Material\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Layers\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Style\u003c\/td\u003e\n\u003ctd\u003eTight Top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmness\u003c\/td\u003e\n\u003ctd\u003eFirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight Capacity\u003c\/td\u003e\n\u003ctd\u003e350 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Weight\u003c\/td\u003e\n\u003ctd\u003e24.45 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Sizes\u003c\/td\u003e\n\u003ctd\u003eTwin, Queen, Split King, Split California King\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003ctd\u003eNo assembly required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEAN\u003c\/td\u003e\n\u003ctd\u003e0841550091236\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd\u003e60.0\"L x 44.0\"W x 5.0\"H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Zinus","offers":[{"title":"Queen","offer_id":46879916359811,"sku":"B01HIR5ENK-1","price":270.99,"currency_code":"USD","in_stock":true},{"title":"Split King","offer_id":46879916392579,"sku":"B01HIR5ENK-2","price":498.99,"currency_code":"USD","in_stock":true},{"title":"Split California King","offer_id":46879916425347,"sku":"B01HIR5ENK-3","price":496.99,"currency_code":"USD","in_stock":true},{"title":"Twin","offer_id":46879916458115,"sku":"B01HIR5ENK-4","price":318.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/3528\/8707\/files\/61acEfkRiDL.jpg?v=1774713616","url":"https:\/\/alonfurniture.com\/products\/4-inch-no-assembly-folding-metal-box-spring-mattress-foundation","provider":"ALON FURNITURE","version":"1.0","type":"link"}