7 cm in diameter, best for small medium puppy,not recommend for aggressive chewer. If you found your pet don't like this game,freely return within 90days.Any quality problem please contact us, you will get respon within 12hrs. Built with 180mAh battery, charging 3 hours, working 8 hours continuously. View pic to know how to open the ball. Active rolling and soft rolling will pleg different breed of dogs,energy boy will prefer active mode, you can add tails on if your dog not interested in.Carpet will effect ball rolling speed. When ball hid in somewhere, pets can't find it easily. AUKL ball will re-rolling when sleeping time up to 1.5 hours. which will remind pets to find it and play. Motion activated peppy pet ball will works 10 minutes and auto-turn off. Touch to wake it up when the ball is in sleep.

Best Sellers Rank: See Top 100 in Pet Supplies. Brand: AUKL. Breed Recommendation: Medium Breeds, Small Breeds. Theme: Animals. Target Species: Cat, Dog. Pet toy type: Ball. : B09J15M4WH. Manufacturer: AUKL. Date First Available: October 8, 2021. Product Dimensions: 2.76 x 2.76 x 2.76 inches; 8.5 Ounces.