An innovative, portable training device. Comes with two independent unit - each with flexible single point suspension, which allows for the rotation of your joints, thus reducing the risk of injury. Fine grained texture is skin friendly. Includes a comprehensive set of instructions and a training guide. CAD/CAM master for perfect symmetry Dimensions: 7A 1/4" x 5 3/4x 2A 1/2" (184 mm x 146 mm x 57 mm) Weight: (Set of two) 4 lbs. 2 oz. (1.9 kg) Colors: white/black swirl, white/blue swirl, white/green swirl