MAT EXPERT 3 in 1 Plyometric Box, Jumping Box with Foam for Jump Training and Conditioning $199.99 – $218.03 Make sure this fits by entering your model number. Widely Use: Help improve your power, speed, fitness and strength, Fitness Foam Jumping Box is perfect to start doing box jumps, box push-ups, dips, step ups, and other creative exercises. Nice Material: These boxes are constructed from high density foam and built to last. Material: PVC + foam