Fully Assembled 3-in-1 Plyometric Jump Plyo Box 12-16-18 inch by JumpUSA Comes prebuilt, screwed and glued, ready to use. No messy gluing and drilling. Save yourself the assembly headaches! Rock solid inner cleat construction rated to withstand 1 ton (2000 lb) Height Options: 12, 16, 18 All edges are bevel rounded for safety. Surfaces sanded furniture quality smooth. Proudly Made in the USA