Our dog flying discs are made of non-toxic, BPA free harmless pure natural rubber, which is soft, durable, the material can help clean your dog's teeth and mouth.Playing with a disc is great fun and healthy exercise for both you and your dog,it's the perfect way to spend more time outdoor, and create hours of fun for your pets.Lightweight compact design for convenient packing and perfect for travel.This dog disc toy is a great toy for indoor or outdoors training.