Sparkle balls measure approx. 1.3" (dia),including the sparkle tinsel;1.1"(dia) without the tinsel These are a constant source of entertainment for cats and kittens Sparkle balls are super fun, and cats love to bat them all over the house! Your cats and kittens can enjoy hours of play and exercise. WARNING: CHOKING HAZARD - Small Parts. An easy way to keep your cat amused. Perfect for interacting with your cat and getting them to exercise. Tickly to the nose and paw pleasing to all cats and kittens, enjoy hours of play and exercise. Warning: Choking hazard-small parts.