King Foundation Set includes (2) XL TWIN FOUNDATIONS TO SUPPORT YOUR KING MATTRESS
8" depth   
Color:  All Black
EASY TO CARRY: Box spring comes split in two to easily pass through narrow hallways & doors
STRONG AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the mattress in perfect shape
WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses