Kong Goodie Bone, 7", Extreme, Black Dog Toy, Made From The Same Super Durable, Puncture Resistant, Non-Toxic Rubber, Bone Shaped Chew Is Just The Thing For The Home Alone Dog, Recommended By Vets & Trainers For Dogs With Problem BehaviorsOr Separation Anxiety, Keep Dogs Happy & Busy For Hours While Their Owner's Away, Holes With Patented Goodie Grippers On Each End, Stuff The Holes With Biscuits, Dry Foods Or Pastes Or Treats & Watch Your Dog Go To Work Extracting The Contents, Grippers Make The Hunt Harder & Therefore More Fun, For Most Medium To Large Sized Breeds With Aggressive Chewing Habits.