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 Corner legs have sleek wood finish Additional legs provided with center bar for extra stability; corner legs create 4 inches of underbed clearance 6 inches from floor to top rail with a 1-inch-thick side rail and 3-inch-thick head and foot rails, 660-pound weight capacity Includes a slat roll with a 2.9-inch slat gap to ensure compatibility with mattress warranties The Eastman Platform Bed Frame's sleek wood-finished legs, clean lines, and soft fabric upholstery look great on their own or paired with any of our Malouf headboards.