If you are looking for a versatile tool to help you progress with your plyometric training the Lifeline 3-in-1 Foam Plyo Box is what you need. With 20, 24 and 30 sides you can simply flip the box to increase or decrease the height to meet your requirements. The lightly textured, heavy duty vinyl cover provides sure footing and the dense foam has just the right amount of give to protect shins and cushion landings. The compact size is perfect for those who have a small space but want big performance.