PetSport USA 4" Giant Tuff Balls for Large Dogs [Pet Safe Non-Toxic Industrial Strength Tennis Balls for Exercise, Play Time & Dog Training](3 Pack)

Industrial Strength Tuff Balls are made especially for dogs and feature extra thick natural rubber walls to be longer lasting than regular tennis balls. Tuff Balls are non-toxic, colorfast, and are made with a special felt that is less abrasive, helping to prevent dogs from wearing down their teeth while playing fetch. Don't give your dog tennis balls--give 'em a Tuff Ball!.