The Dromma – One Base memory foam mattress foundation. Finally, an affordable, instantaneous, mattress foundation solution, and it ships to your door for free! Made with a quality steel construction with an easy – no tools required –  assembly. The One Base is the perfect box spring alternative to everyone's mattress foundation woes. Not only is this the best foundation money can buy; it also includes a stylish, but neutral, coverlet ensuring it will accent the decor of any bedroom.