This green pet ball is made of natural rubber. This material is very environmentally friendly and safe. Will not cause harm to pets. You can use them to exercise and play with your pets. This ball is great for wellness programs. There are also holes in the ball for easy grip. Throw it out and enjoy the best playtime with your pet. You can print your logo or other content on this product for maximum exposure. Measuring 4.3 or 5.5 inches, this custom green rubber pet sound ball. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Portable, durable, practical for daily use.