These INTERACTIVE and AMAZING colorful ping pong balls are easily batted across slick surfaces. They rattle as they roll and the corkscrew tail movement mimics live prey as it shoots across the room. Innovative and unique, they are FUN for cats of all ages. Purrfect for indulging every cats need to hunt because the way they squiggle is IRRESISTIBLE! Owners will appreciate the opportunity to purchase them from you. Standard size ping pong ball with 5 - 7 inch polyester tail.