Plyo Box 12" x 16" x 18" Fully Assembled Straight from OEM manufacturer via Amazon! Made from 100% Arauco Plywood. All sharp corners 'rounded over', then sanded to a smooth, comfortable, impact resistant finish. SHIPS ASSEMBLED using an optimal adhesive and fastener strategy that brings durability and performance. Rabbet joints on top and bottom panels which another 25% holding power. Industry standard for Plyo Box Design. Dimension 12"T x 15 3/4"W x 18"L No logo on the outside so you have room to label with your fitness center name. All parts precision machined using the latest in CNC technology.