Wood DURABLE CONSTRUCTION: Expertly crafted from hardwood and veneer for long-lasting strength and stability. INTEGRATED TRUNDLE: Convenient pull-out trundle glides smoothly from beneath the bed and can be positioned on either side; Trundle Dimensions: 38.86 in (L) x 79.13 in (W) x 8.07 in (H) NO BOX SPRING NEEDED: Sturdy wood slats provide reliable mattress support and enhance airflow for a cooler, more comfortable sleep. RECOMMENDED MATTRESS HEIGHT: Bed frame 8–12 inches; trundle frame 6 inches. ASSEMBLED DIMENSIONS: 82.76 " (L) x 63.7 " (W) x 50 " (H); WEIGHT CAPACITY: 800 lbs