Ideal for jump training plyometric workouts to burn fat and boost strength. Foam and vinyl construction won't injure shins. Sturdy build with slip-resistant base. Multiple boxes can be attached via hook-and-loop tabs at the bottom for increased heights and added difficulty.Specifications Age All Ages Bag Type Not Applicable Bag Weight Not Applicable Brand Century Height Not Applicable Line Not Applicable Martial Arts Style Multiple Resistance Type Not Applicable Shape Square Target Type Not Applicable Training Accessories Type Agility Weighted Gear Type Miscellaneous Search Synonyms plyometric workouts, jumping, cardio, balance, obstacle course, agility kit, variable height, hook-and-loop,