The Sunny Health & Fitness No. 072 3-in-1 Foam Fitness Plyo Box provides a versatile, sturdy perch that's an essential component to any workout routine. This box is made from soft, dense foam and rotates to allow for three different elevations. A vinyl coating offers a soft surface that won't chafe your skin. Weighing in at 11 lbs, this hefty block is here to help you achieve your ideal body.