Life Fitness 3-in-1 Soft Plyo Box inspires exercisers to reach new goals with 40 cm, 50 cm and 56 cm multi-plyo box heights. Beginners up to advanced exercisers benefit from these Life Fitness plyo boxes because they're an excellent way to perform box jumps, box squats, squat lunges, incline and decline pushups without any hard edges or intimidating heights. Material Soft foam outer core, anti-slip vinyl cover Size (L x W x H) 16 x 20 x 22" (40.6 x 50.8 x 55.9 cm) Interior Dense foam core Weight 45 LB Corners Soft corners Warranty 1 Year