The Champion Sports Tether Ball is an official size rubber tetherball, with a nylon wound butyl bladder and an attached nylon tether. Just connect the tetherball to an existing pole and let the fun begin!• Reinforced rubber cover • Nylon wound butyl bladder • Nylon tether • YellowSpecial Shipping Information: This item ships separately from other items in your order. This item cannot ship to a P.O. Box. This item may be subject to additional processing days.