Stamp color may vary. Disc colors are assorted. This is the smaller version of the Bite. Perfect for you and your small canine friend. You can throw it with ease due to the lighter weight. Still it features the same good qualities as its big brother: Super durable, puncture resistant and with a controllable flight path. Bite Puppy is made from an ultra-strong, non-toxic, FDA approved, pet-safe material used for many high performance and high stress products. In fact, its most often used by medical device companies. The Bite Puppy measures 7.5 inches in diameter compared to the larger Bite at 9 inches across. Not intended to be used as a chew toy! Opto is made out of some of the world’s most durable plastics. It comes in a variety of beautiful translucent colors. The Opto Line plastic has been developed to withstand severe punishment and extreme conditions better than other plastics.