Make treat time full of interactive play with the DogginStix UFO Beef Collagen Discs for Dogs. The UFO design features laser-engraved art, and the discs fly far, making them great for throwing. Made with a single ingredient: all-natural beef collagen, these pet treats come from free-range, grass-fed cows. Odor-free. Laser etching ensures there are no inks, dyes, or chemicals.Manufacturer model #: UFO. Single ingredient: beef collagen Fun UFO design with laser-etched artwork Discs are great for throwing, creating interactive play Made with free-range, grass-fed beef Free of odors, inks, dyes, and chemicals