3 Pcs in a package. Diameter of each ball: 8 cm. Works well for training dogs(Hollow ball, not suitable for ferocious dogs or large dogs) Funny squeaking sound: squeaking sound will make your dog more excited. < p>Irregular beat: The ball with a special shape, so there are no rules to roll and bounce, which is difficult to judge where the ball will stop, so the training of hunting dogs . 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. By Pet Lovers, For Pet Lovers has been specializing in the design and manufacture of pet products for many years. Product categories cover pet toys, pet food, dog collars and pet clothing. Our products are professionally designed, carefully selected and quality tested. rigorous. Protect furniture from damage The uneven surface helps dogs grind and clean their teeth Diameter: 7.5 cm Weight: 80g*3 Material: flexible natural rubber Contents: 3 balls (orange, blue, green)