Looking for a multi purpose soft plyo box then Fitness 1st has you covered. The Fitness First now carries a 3 in 1 Soft Plyo Box with a 20" x 30" x 24" sides. Perfect for jumping on and soft enough to protect your knees and shins. Can be used with other plyo boxes for a full circuit. Made of anti-microbial material to reduce the risk of spreading bacteria. Perfect for in home or gym use. Height levels are 20, 24 and 30 inches.