DURABLE MATERIAL: Environmentally friendly, hard solid TPR (Thermoplastic Rubber) can be used for a long time, using high-strength nylon rope, it is not easy to break when pulled hard, it is resistant to pet bites.MULTIPLE SIZE OPTIONS: Ball diameter 5/6/7 cm (1.97/2.36/2.76 in), multiple sizes are available, suitable for small, medium large dogs, rope length 30 cm (11.8 in), can be easily thrown go further. It's convenient to carry around for training to keep in your pocket.HIGH-VISIBILITY COLORS: The interactive rubber balls are available in blue, red, yellow, the bright different colors can easily attract your dog's attention.ENHANCING AFFECTION: The dog ball on the rope allows you to play throwing, catching tug-of-war games with your pet, enhancing the dog's physical coordination, training their IQ, creating a happy time with you.TOOTH CLEANING: Elastic, chewed, easy to clean, flexible not easy to hurt the gums, the uneven surface helps to clean the dog's teeth massage the dog's gums to a certain extent, remove bad breath.