Amazon.com : Synergee 3 in 1 Wood Plyometric Box for Jump Training and Conditioning. Wooden Plyo Box All in One Jump Trainer. Size - 20/18/16 : Sports & Outdoors
Youth Heavy Foam Plyometric Box - 12" x 14" x 16", Pro-Duty Foam Plyo Box - Step-Up, Box Squat - Home Garage Gym Training | Titan Fitness