· THE ONLY BED FRAME YOU’LL EVER NEED - With the ability to support more than 8 times the weight of a traditional platform bed, the Super Heavy Duty SmartBase is built to stand the test of time and ideal for cosleeping families and plus-sized individuals· NO BOX SPRING NEEDED - Platform is made with sturdy steel that replaces your box spring, allowing you to rest your latex, memory foam or spring mattress directly on top· UNDERBED STORAGE - Total of 12.8 inches of clearance space under the frame provides valuable storage room for extra odds and ends· QUICK, TOOL-FREE ASSEMBLY - Shipped in one compact box and requires no tools for assembly; twin and twin XL sizes support a maximum weight capacity of 2200 lbs, while all other sizes can support up to 4400 lbs· Worry-free 5 year lid warranty included; mattress sold separately