Petcrest Tennis Balls 3" For Dogs - 6ct PETCREST No reviews. Login to place a review. • 6 Count • Perfect For Playing Fetch • Fun Playtime $17.99 ea Enter Quantity Options: Add to Cart Add to List In Stock $17.99 Log in to see your Member Loyalty Rewards PRODUCT DETAILS Petcrest Tennis Balls 3" For Dogs - 6ct Perfect for outdoor play in the backyard or at the dog park, Petcrest Tennis balls are the best for fetch.