A delightfully simple and highly entertaining toy for cats. Each ball features a slatted hollow design with a bell fitted inside the ball. As your cat paws the ball and tries to reach the bell it rolls along the floor and makes a pleasant sound. The material is safe to chew and easy to clean and comes in assorted blue and pink colours. There are 4 balls per pack and each ball ha s a diameter of 3.9cm, ideal for both cats and kittens.|| * Diameter: 3.9cm | * Pack of 4 | * Assorted colours (pink & blue) | * Internal bell | * tactile surface | * Non-toxic plastic | * Slatted design