Best Price Mattress metal platform bed frame mattress foundation is a complete support system that replaces the need for the traditional box spring. It is constructed with 100% steel to provide maximum support and durability for long-lasting use. You will find that its 9 points of contact to the floor adds strength, stability and level support. Another feature is the 16 inches of under bed storage space to keep those needed items conveniently stored away. You will have your bed frame in minutes with easy assembly that requires no additional tools. Enjoy a good night's sleep on our durable and noise-free platform bed frame.