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+-pound 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-Percent guaranteed. 5-inch diameter.