The 9 Thera-Band� Mini Ball joins a family of premier Thera-Band balls designed for strengthening the body's core muscles * Complete with an exercise poster the Mini Ball is ideal for use in-clinc or at home * This soft PVCl supports a range of varied and effective exercises designed to increase core strength in the back and abdominals * Tactile stretchy PVC makes the ball responsive to the touch and non-slip when placed against a hard surface * It's perfectly suited for users of all ages * Contents:Thera-Band Mini Ball Exercise Poster Inflation Tube and Inflation Plug