SAFETY MATERIAL -The dog toy ball is made of natural rubber, non-toxic, soft, durable PACK OF 2 - 2.75inch / 7cm diameter dog ball, the length of rope is 11.2in / 28.5cm. Our rubber ball on a rope can be filled with dog treats or food, suit for most breeds of dogs playing, training, chewing TEETH CLEANING BALL - This chew ball with spike surface can help clean dog’s teeth and massage dog’s gums PROTECT YOUR STUFF WELL - Dogs love to chew on things, now you can give them their own chew toy instead of your shoes, clothes and furniture BRIGHT & VIBRANT COLOR - Easy to arouse your pet’s interest, you can play the dog toy ball with your dog, improve relationship between you and dog