The Midlee X-Small Dog Tennis Balls are perfect for any small dog parent! Each pack includes 12 1.5″ in diameter balls with 2 of each solid color – red, orange, yellow, green, blue, and purple. These balls are best to play fetch with and not so great as a chew toy. You and your dog will have lots of fun playing fetch and you’ll feel great knowing your dog is getting the exercise they deserve.