Yes4All 3 in 1 Soft Plyo Box Wooden Core, Foam Plyometric Box for Exercise, Plyometric Training, Available in 4 Sizes

BUILT TO LAST: EPE pro-duty foam construction of Step up box for workout absorbs pressure and supports up to 440 lbs; With a heavy-duty vinyl coating, plyometric box withstands wear and tear; Ideal plyo box jump for intense plyometric workouts. VERSATILE HEIGHT OPTIONS: Transform your workouts with jump box gym, available in four different heights of 6 inch plyo box, 12 inch box jump, 18 inch plyo box, and 24 inch; Use each jump box exercise individually or stack them to adjust height. STACKABLE FOR HEIGHT ADJUSTMENT: Collect different heights of jump box gym and simply stack one atop the other, securing box jumps with attached straps; Customize your step up exercise platform to match any exercise and fitness level. ANTI-SLIP PVC COVERING: The PVC covering enhances foot grip, preventing slips caused by sweat; Workout box is removable, making cleaning and washing quick and simple; Lightweight exercise box is easy to carry for both indoor and outdoor workouts. ULTIMATE TRAINING EQUIPMENT: Jump box exercise improves your performance with HIIT and plyometric training such as box jumps, step-ups and box dips; Plyo boxes help enhance speed, power, and agility for fitness enthusiasts of all levels