Step up your game with the 3-in-1 Portable Heavy Foam Plyometric Box designed specifically for building strength while using your body weight. This youth fundamental training box is constructed from high-density heavy foam with a weight capacity of 120 LB. Specially designed with a slip-free surface, the durable, grippy vinyl cover is textured to reduce slipping and keep the box in position on the floor. The box comes fully assembled in three different levels of intensity: 12", 14", and 16" to continuously challenge your strength, elasticity, and reaction to sprint faster, jump higher, or throw further using explosive power to perform better. Challenge your daily routine with step-ups, push-ups, dips, foot switches, lateral movements, decline push-ups, pike push-ups, and single-leg step-downs for a full range of upper and lower body strengthening exercises. Improve your power, endurance, and stability all at once with the 3-in-1 Portable Heavy Foam Plyometric Box.Note: Always land your jumps on the center of the landing surface. Not recommended for use on slick or slippery floors!