About this item STABLE & DURABLE Inside the queen size box spring is a metal frame made of reinforced steel that can support up to 2000LB, a stable support platform that increases the life of the mattress. 9 INCH QUEEN BOX SPRING ONLY High profile design is perfect for shorter mattresses or for those who prefer their bed to be higher off the ground. EASY ASSEMBLY The newly designed construction is easy to assemble by following the simple instructions. All box spring queen parts, tools and instructions come in a carefully package. EASY CLEAN COVER High-quality fabric jacquard cover elevates the aesthetics of your bedroom, prevents the mattress from sliding and easy to premovable for spot cleanup. DIMENSIONS Queen size box spring: L:79.6″ ×W:59.5″ ×H:9″. For Mattress: L:80″ ×W:60″.