The Rubber Sound Ring Ball Multi Color is designed for dogs that love to chew and it stands up to the toughest chewers. Tough bone can be stuffed with treats. It is easy to wash, safe to clean and sanitize. This is Bright in colors to draw the dogs attention, keep them busy and reduce their destructive behaviors. Play with your dog, and improve the relationship between you and your beloved friend. safe and non-toxic, help clean teeth; smell good, your dog will definitely love it.