Keep your training focused with the help of the Century Vinyl Dual Grip Medicine Ball. This medicine ball is filled with iron sand and provides an ideal way to maximize your training and workout routines. Its outer shell is an easy-grip vinyl cover that provides dual cushioned non-slip handles for added security and versatility. Build muscle and endurance with this quality medicine ball. Available in a variety of weights. About Century LLC Century’s core belief is that martial arts can profoundly impact people’s lives, and they want everyone to reap the lifetime benefits. In 1976, Century began by creating martial arts products, and has grown to become the largest supplier of martial arts products in the world. When the company moved to Midwest City, Oklahoma, in 1982, the original building provided 50,000 square feet to help the founders achieve their mission. Since then, the company has expanded to a 650,000 square foot facility, and also broadened its product offering to include yoga, boxing, MMA gear, and physical fitness equipment. Dual handles provide secure grip during workouts. Filled with iron sand. Available in a variety of weights to maximize training. Durable vinyl surface.