MATERIAL: Our high-quality rubber construction provides durability and reliability during the game. Our rubber layout gives players a softer feel over most of the competitors. DURABLE DESIGN: Our Outdoor Tetherballs with Rope was made to hit back and forth several times – built to outlast the fun. Our Tetherball was designed to keep its shape and air retention. PERFECT OUTDOOR GAME - TETHERBALL: Great for Children. Play tetherball against one another - Attach to any metal or plastic pole (not included). EASY TRANSPORTATION: We made this portable tetherball easy to take on the road and take from place to place. Just simply tie the rope to a pole with enough circumference to hit the ball back and forth. Enjoy a fun game of Tetherball!