3 Pcs in a package. Diameter of each ball: 7.5 cm. Works well for training dogs (not suitable for fierce dogs or large dogs) Funny Squeaking Sound: Squeaking sound will make your dog more excited. Irregular beating: The ball with a special shape, so there are no rules for rolling and bouncing, which is difficult to judge where the ball will stop, so the dog training of hunting. Using food grade rubber to ensure safety for dogs. Soft material can protect dog’s teeth while grinding their teeth. The maximum thickness of the pet ball is 0.8cm to ensure that it will not be easily destroyed by dogs. If there are any problems with our product, please contact us and we will give you a satisfactory answer. Protect furniture from damage The uneven surface helps dogs grind their teeth and clean their teeth Diameter: 7.5cm Weight: 80g*3 Material: flexible natural rubber Contents: 3 balls (orange, blue, green)