Do you want to recruit more muscles by catching the air? Plyo boxes are hottest tools to make your dream come true! Yes4All Wood Plyo Box is built solidly like a tank, perfect for Crossfit and Plyometric workouts - Get it now to incinerate fat faster!SOLID WOOD CONSTRUCTION WITH NON-SLIP SURFACEBuilt of high-grade plywood with internal bracing (on 2 largest sizes) for maximum strength, Yes4All Wood Plyo Box can increase stability at your chosen heights. With a slip-free top, don’t worry about accidental slips during workoutSANDED EDGES FOR COMFORT AND SAFETYUnlike other products, this model has the complete sanded sides to make it safer. As you can’t finish a jump since the feet slide down outside the box, the edges are sanded to provide greater comfortADVANCED DESIGN FOR GREAT STABILITYPERFECT FOR CROSSFIT, MMA, AND PLYOMETRIC TRAININGS