Polyester Blend HARDWOOD CONSTRUCTION: Headboard and frame are crafted from durable hardwood and veneers for long-lasting strength. NO BOX SPRING NEEDED: Sturdy slat system supports your mattress and promotes airflow for a cooler, more comfortable sleep. MATTRESS COMPATIBILITY: Designed to fit mattresses 10"–14" high, optimizing comfort and style for the low-profile frame. WEIGHT CAPACITY: 800lbs ASSEMBLED DIMENSIONS: 77.95" (L) x 56.93" (W) x 44.29" (H)