3 in 1 Plyometric Box: 12"x14"x16" Assembled Three sizes in one box! 12", 14", and 16" Crossfit, MMA, Aerobic conditioning, plyometric exercise, athletic training, jump box, step box Box jumps, step ups, box dips, curls, squats, inclined/declined pushups, planks Comes fully sssembled. No asembly required! Made in USA using quality 3/4" domestic plywood. Custom made in a professional cabinet shop.