The 3-in-1 Foam Plyo Box is the ultimate setup for jump training. The perfect addition to your HIIT training program! Durable Foam Box for Jump Training: Heavy-duty foam makes the Lifeline plyo box great for plyometric exercises. Durability and longevity make this a great addition to your home gym! Versatile Exercise Equipment: The Multi-functional design of box allows for graduated workouts. This Plyo Box provides 16", 20", and 24" usable jump surfaces, all usable simply by rotating the box. A quick flip and your workout changes!  This foam plyometric jump box set is designed to reduce the risk of injury and provide a safe workout experience for fitness enthusiasts. Compact Home Gym Equipment: This box set can be easily stored and used in any home gym or workout space for a complete plyometric and jump training experience.