Compatible with all mattress types (innerspring, memory foam, and hybrid). Can be used with a zero clearance adjustable bed frame when the base is placed directly on slats. Asian Hardwood Frame and Legs, Laminated Veneer Lumber Slats, Polyester Fiber Batting, Polyurethane Foam Pad Center bar(s) creates maximum support and comfort Beds slats protect industry mattress warranties Drawers have caster wheels directly on the floor for hassle-free use; additional legs provided with center bar for extra stability; corner legs are in a sleek wood finish 16 inches from floor to top rail with a 1.5-inch-thick side rail and 2.5-inch-thick head and foot rail, 660-pound weight capacity Includes a slat roll with a 2.9-inch slat gap to ensure compatibility with mattress warranties Four easy-pull drawers, contemporary design, and soft neutral colors make the Watson Platform Bed Frame an elegant and practical upgrade.