High Quality Material: Hard solid rubber can last for long time use, which will not break as easily as tennis ball,and our dog toys are all made of environmentally friendly material,the red brilliant color will catch your dogs attention easily. Suitable Size: Dog ball diameter 6.5cm(2.56in), rope length 22cm(8.66in), a good size for small ,medium and large dogs. Good Design: This dog ball with rope is safe, durable to be chewed, elastic, soft ,you can throw the balls away and command your dogs to get them back,a good toys for training. Interactive Dog Toys:Fun exercise for your dog,really a good interactive balls for you and your little friend. Functions: for dog's training, chewing, playing and much more.Helps stop the dog chewing your sofa.Keeps puppies entertained while enhancing their intellectual,your dogs will never feel boring with our balls.