COMFORTABLE FOAM PROTECTS YOUR JOINTS & SHINS: Filled with 35 lb heavy duty & high density rebonded foam, soft but resilient, reduce impact on your joints and risks of shin injuries. Durable and keeps firm after longtime use. Stable enough with 300 lbs weight capacity. ANTI-SLIP THICK PU SURFACE: Non slip surface texture provides you with stability and safety. No worry to slip off the box. PU surface resists water & sweat and easy to clean by simply wiping away footprints & dirt. Layer is removable with a durable metal zipper. For easy to wrap back, please don’t tear off the black film covering the foam. 3 HEIGHTS IN 1 BOX FOR MORE POSSIBLITY: Simply rotate the box to get 16 inch, 20 inch and 24 inch heights, no assembling required; Choose the level you want and exert your muscles to their maximum potential in short periods of time. HOME GYM PLYOMETRIC TRAINING: Box jumps are powerful aerobic exercises making you faster, more powerful and springier than ever. Start now with just one box to burn calories and build your lower-body muscles! You can also do push-ups, lunges and dips with the box. A perfect Thanksgiving and Christmas gift for your friend and family! BUY WITH TRUST IN RITFIT: Our plyo boxes are backed by 100% satisfaction support. Though we are confident in our boxes, we offer you 30-day return service and lifetime warranty. For a risk-free purchase click "Add to Cart"!