I had been using this foam box for over 4 years at the fitness gym where my Chiropractic Rehabilitation office is located. This facility has a large population of very fit athletes from highs school to pro's and they use these boxes for their plyometric jumps frequently. They beat the heck out of every piece of equipment and most everything gets destroyed and has to be replaced, including things like Kevlar medicine Balls. In fact, despite the many high end members, the owner once told me __quote__this place is one step above a prison__quote__. Anyway, the Sunny Plyo Boxes are still there and they are so durable that I had to buy one for my home._x000D_ Dr Phil
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