Great Toy for Puppies: They are brilliant rope toys for any small dog that likes to chew things, keep your puppy from chewing the furniture. Material: cotton rope, durable, non-toxic and harmless. Teeth Training: Train good behaviour through our toys and encourage good dental hygiene. Suitable for small breed puppy and small breed dogs. Not suitable for aggressive chewers and large breeds. Some of the pets are inactivity and look a litter lazy. These toys keep your dog to jump and run during the exercise time. Do more exercise keep your pets have more healthy and beautiful figure. Not for aggressive chewers. Like every other toy, the cotton ropes are not indestructible. We recommend supervised play, and timely replacement of the broken ones.