The 2-inch Bunkie Board is the perfect replacement for your box-spring. Thin and carefully crafted, it features sturdy slats for a solid foundation and a soft knit cover ensures a smooth touch finish. Do away with hefty box-springs and upgrade to the slim 2-inch Bunkie Board. The 2-inch Bunkie Board is the perfect replacement for your box-spring. Thin and carefully crafted, it features sturdy slats for a solid foundation and a soft knit cover ensures a smooth touch finish. Do away with hefty box-springs and upgrade to the slim 2-inch Bunkie Board.Set includes: One (1) bunkie boardSize: Cal KingMeasures 2 inches thickNorth American Lumber, Multi Slat Support ConstructionWhite Knit Fabric, Multi-Needle Quilt 3 Layer Quilting2.5 oz. non-woven Grey CoverPlace under mattress and no box spring requiredMade in USAAvailable in multiple sizesMattress dimensions (approx.) : 2 inches high x 72 inches wide x 84 inches deepThis product will ship to you in multiple boxes.