These 4 boxes are perfect for use with gym users & athletes it will decrease the stress on the joints when landing, as opposed to harder surfaces. The Soft Plyo Boxes are made from a high-density foam and covered with hard wearing, non-skid vinyl, a key benefit is that the foam will absorb some of the impact during a landing. For many athletes and everyday clients, one of the potential downloads with plyo and jump training is the volume of stress going through the foot, ankle, knees and hips, these Soft Plyo Boxes decrease that problem. So if you want to develop power, reactive strength or you just want to overload the cardiorespiratory system with multiple jumps, then these are perfect for you. Plus if you do ‘miss’ your jump, falling onto a soft plyo box is much kinder than a harder platform! Product Information 1. Soft surface reduces stress on joints during landing 2. Boxes can be stacked on top of each other and are held in place securely with Velcro strips 3. Unique stackable design minimizes space required 4. Light and easier to move around This set comprises a Set of 4: 1 x 6”, 12”, 18” & 24” Soft Plyo Box