The Body-Solid Plyo Boxes is an essential piece of any plyometric workout regimen. You can perform box jumps, depth jumps, and other explosive-type exercises on this heavy-duty, sturdy and stackable design. Athletes of all levels use these boxes for forward, lateral, and other plyometric jumping drills. It will increase not only in your vertical jumping ability, but also drastically increase foot speed, cardiovascular endurance, overall leg strength and health.