JW Pet Hol-ee Mol-ee Extreme Rubber Chew ToyDesigned specially for larger dogs with more aggressive chewing habits, the JW Pet Company Hol ee Mol ee Extreme Ball offers the same fun as the famous Hol ee Roller, plus added durability. Tougher, thicker material makes this the perfect choice for the dog who destroys everything. Natural rubber ball toy Same fun, more durable than the famous Hol ee Roller Great for powerful and active chewers Stuff some of your dogs favorite treats inside for more