Hollow Design: Allows you to store small kibble or snacks inside the ball. Your dog should use his nose to get the ball rolling and hand out treats. Caution: chew balls do not release treats. Uneven surface: Put some of his favorite peanut butter on the surface of the ball. Ideal for puppy teeth and teeth cleaning. Egg-Shaped: Unlike regular round balls, egg-shaped rollers are irregular, making this a highly effective dog toy. interactive. Made of natural rubber. Rinse with warm water and air dry after use. Luminous: can shine, play the ball at night without fear of losing, built-in flashing ball, it will shine when it bounces Size: egg height 81mm, bottom width 62mm
