Durable and Eco-Friendly High Quality Material - Made of high quality cotton fiber and rubber, the dog toy ball is bite resistant, strong and eco-friendly, free from harmful ingredients, non-natural plastics, safe and non-toxic, keeping you and your pet safe. Protect Teeth and Gums - The unique serrated design forms a toothbrush, and pets can clean their teeth themselves and crevices while playing with the dog toy ball, reducing tartar and plaque buildup while massaging gums. Versatile - Great for throwing to give you and your dog more of interaction. This dog ball can be filled with treats. Your dog will easily absorb it and have more surprises while playing. These balls are versatile and can be used as chew toys, reward toys, IQ toys, snack toys. Improve IQ Training Toy - This dog toy ball can easily attract dog's attention, improve pet's intelligence and facilitate your dog's training. It can be used outdoors or indoors, and is not limited in time and space. Ideal toy for Dogs - Suitable for small, medium or large dogs. The hollow space inside the dog ball is perfect for storing treats - for exciting and fun activities. It will help strengthen the bond between you and your pet, and your dog will love this dog toy ball.