Description: This Fitness Foam Jumping Box is perfect to start doing box jumps, box push-ups, dips, step ups, and other creative exercises. Are your workouts too easy on the 6" side? Simply rotate the box to add 6"-18", forcing you to jump higher and burn more calories! These boxes are constructed from high density foam and built to last. With up to a 350 lb weight limit, you can be confident that when you land your jump, this box will support you. An added bonus is that the edges and sides won’t hurt your shins! Features: PVC fabric resists tearing from normal use Solid foam platform supports heavy weight athletes Boxes can be easily attached to one another Perfect for box jumps, step-ups, box squats, and cross-training workouts Help improve your power, speed, fitness and strength Designed with both comfort and safety in mind Won’t slip or shift when you jump Available in 4 different sizes (6", 12", 18",24") Dimensions for the surface of each size: 36" x 30" approx. Specification: Color: Blue Material: PVC + foam Surface dimension: 36" x 30" Product Height: 6" / 12" / 18" / 24" Product Weight: 7lb / 13lb / 17lb / 21lb