It is a flat mattress foundation designed to provide support for a mattress. 
It features a spruce framework and welded steel elements for durability. 
The dimensions for the full size are 52.5 inches wide, 74 inches long, and 9 inches high (133.35 cm W x 187.96 cm L x 22.86 cm H). 
It is recommended to pair it with a Beautyrest Flat Foundation for maximum comfort and longevity. 
It can be used with platform frames or traditional bases