Digger's® Tennis Balls are colorful classics designed to appeal to pets and owners alike. Helps promote healthy exercise. Provides fun and excitement. Helps alleviate boredom. €¢ Colorful classic Tennis Ball €¢ Great appeal to pets and owners alike €¢ Helps promote healthy exercise €¢ Provides fun and excitement €¢ Helps alleviate boredom. €¢ 3" €¢ Packaged for retail with a header card.