Introducing COSMOS - Stellar Orbee-Tuff toys for really big dogs. COSMOS are a playful assortment of gigantic orbs floating about the Milky Way: VENUS is pink, MARS is swirly silver, SOL is orange and LUNA, representing the moon, glows in the dark. Each has a Treat Spot™ for hiding big and healthy treats. Designed with big dogs in mind, they are appropriate for 65-100+ lb dogs. Cosmos is out of this world...but made in the U.S.A. Like all of Planet Dog's Orbee-Tuff toys, VENUS, MARS, SOL and LUNA are doggie durable, buoyant, bouncy, minty, recyclable, non-toxic and 100% guaranteed. 5" diameter.