Zinus Brown Deluxe Wood Frame 12 in. King Platform Bed with Easy Assembly SPI-APDW-12K - The Home Depot

And to help you eliminate the box spring once and for all, it's crafted with a set of wood slats engineered to support and extend the life of any mattress you rest upon it. It's also reinforced with steel for extra durability that'll have you snoozing soundly for many nights to come. The entire bed is cleverly shipped in one box that arrives at your doorstep with all the tools, parts and instructions you need to assemble it in under an hour. Plus, it includes extra confidence for you to rest even easier in the form of a 5-year worry-free warranty.