Dog is our best friend, therefore this dog ball with rope is designed and made from durable safe rubber material not to harm our furry friend when playing. Benefits: 1、You can fill the chew ball with pellets and snacks.Make it difficult for your dog to eat, improve dog intelligence, and reduce dog anxiety. 2、The nylon rope prevents the ball from continuously rolling away on hard surfaces and allows to be flung further when throwing it. 3、The bumps on the ball can help clean the stains left on dog`s teeth and massage gums. Why do pets need toys? Dogs are social animals, they need to play and like to be on service. This is a perfect tool for obedience training as a reward toy, whether you apply it to the sport (Schultz, IPO, Agility) or service (police, military) dogs training or you just want to teach your dog some new skills, like bringing things and dropping them, when you ask. Or it is just a nice addition to your pet's toy box to enjoy and have tremendous fun playing with you. * Warm Tips: 1. We suggest that these chew ball on rope toys use for small or medium dogs, if the dog is too destructive, may the chew ball on rope toy is easy to be torn. 2. Don't let your pet to swallow this toy. Please clean and inspect after each use. 3. This chew ball on rope is made up of natural rubber, so it's normal that these come with a little smell, Please put it in a ventilated place for a while before using.