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. Good Design: This dog ball with rope is safe, non-toxic, 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 Legendog balls. Material: rubber Color: rope color random Size includes: small: diameter of about 5.5cm, weighing about 100 grams, suitable for small dogs; large: diameter of about 6.5cm, weighing about 170 grams, suitable for medium and large dogs Package includes: 1pc * pet teething toys