BSO1199 Features: * Medicine Balls * Adjustable air pressure lets you control the amount of bounce * Textured surface ensures superior grip and handling * Ideal for a wide range of upper and lower-body exercises, including crunches, rotational twists and leg raises * Great fit for your space * Good fit for your life Construction: * Durable rubber construction for bouncing Color/Finish: * Color: Black Dimensions: * Product weight: 12 lbs