Bucket of Tennis Balls, 20 Balls per Bucket. Assorted Colors. Bucket has locking lid and is reusable. Lose yourself in a sea of bouncing fun with our Bucket of Tennis Balls. With 24 Grade A balls in assorted colors, this bucket is perfect for playing fetch with your furry best friend. Plus, they're safe for dogs so you can both enjoy the game! Bucket comes with a reusable, locking lid. You can store food, treats, poop bags, or anything!