With thick and sturdy natural rubber, this dog ball with rope is safe, non-toxic Keep dogs from biting your sofa and when your pup is having fun, increase your intelligence and your dog will never be bored You can throw the balls and command your dogs to retrieve them, good toys for training Interactive dog toy, fun exercise for your dog Easy to carry in your pocket Product Description: - With thick and sturdy natural rubber, this dog ball with rope is safe, non-toxic. - Keep dogs out from biting your sofa and when your pup is having fun, increase your intelligence and your dog will never be bored. - You can throw the balls and command your dogs to retrieve them, good toys for training. - Interactive dog toy, a fun exercise for your dog. - Easy to carry in the pocket. Specifications: Material: rubber Size: 6cm Package contains: 1 X 3 pcs Ball toys with rope