Wooden Plyo BoxWooden Poly Box is the ultimate tool for building explosive leg power for lifting, running, combat, and gymnastic sports, Plyometric training forces muscles to exert maximum force in short intervals of time which results in a faster and stronger you. Wood Plyo Box is impressively versatile. One box provides three different heights to work with, allowing you to switch up your exercises and introduce new challenges to your workouts with a simple flip.