Steel
STYLISH DESIGN – Bring refinement to any bed. The dark gray headboard comes diamond tufted, providing elegance and style with padded foam and polyester for a cushioned texture to any Cal King bed frame.Item Dimensions : 74.5"L x 53.5"W x 14"H.Maximum weight recommendation:500 pounds
Durable and noise free construction with heavy duty steel 9 leg and center bar support
12 inches vertical clearance for convenient under the bed storage space
Easy to assemble; No tools required and assembled in minutes

 
 Best Price Mattress metal platform bed frame/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 from the mattress to the floor adds strength, stability and level support. Another feature is the 12 inches of under-bed storage to keep those needed items conveniently stored away.