3 in 1 Plyo Box – 12″x14″x16″ Flatpack Plyometric Box. New!! Logo and Laser Letter Engraving Options!!! $89.95 Make sure this fits by entering your model number. Three sizes in one box! 12″, 14″, and 16″. FREE CUSTOM ENGRAVING ON ONE SIDE AS SHOWN!! Crossfit, MMA, Aerobic conditioning, plyometric exercise, athletic training, jump box, step box