1. Dog Toy Ball Set: One set contains 4 pet toy balls including football, basketball, baseball and tennis2. Soft Material: The squeaky dog ball is made of PU material, soft touch, can be used for chewing for pets who use it for a long time3. Size Information: Each dog training ball is about 2.4 inches in diameter, which is a suitable size for most pets to bite and play on the outside and inside4. Wide range of applications: This interactive dog ball is suitable for outdoor dog games, dog training, dog chewing and dog training.Pet Balls are fun dog toys for beach parties, parks, homes and lawns5. Applicable Pet Breeds: The interactive dog toy ball is suitable for small, medium and large dogs and cats, you and your family will interact with pets and have a great weekend or vacation