Give your mattress added support and distribute body weight more evenly with the addition of wooden roll slats. Easily attaches to bed frames thanks to pre-drilled holes. More About This Product Product Details Assembly required Made of wood with nylon cord Pre-drilled holes for easy attachment to bed frame Eliminates need for box spring Compatible with twin mattresses Weight & Dimensions Dimensions Full Dimension 39W x 71D x 1H Weight Weight 25lbs.