Description: Material: Silicone Size: 5.6cm / 2.18" Colors: Blue, Yellow, Orange, Pink, Green Feature: 1. Automatic pet toy ball, allowing pets to play by themselves, worry-free and effortless for pet owners. 2. Teeth mark resistant pet toy, providing a safe chewing paradise for pets. 3. Pet toy ball suitable for pets of all sizes to play with, making playtime more enjoyable for pets to play together. 4. Pet toy that can move automatically, allowing pets to run and chase freely. 5.Chew-resistant pet toy ball, allowing pets to play happily without worry for owners. Note: 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1*Chew-resistant pet toy