PetSafe Busy Buddy Funny Bone Dog Toy, Small Great for strong chewers^Extended chewing experience for the dog^Made of durable nylon bone and tough polycarbonate Durable treat holding chew toy for dogs Nylon bone and three channels firmly grip Busy Buddy treat strips to keep dogs motivated to play longer For dogs under 20 lbs. and over 6 months Helps redirect potentially destructive chewing behavior into positive playtime Hard chew strength, uses Small treat strip refills