Ware Manufacturing Critter Universe Small Pet Chew Cube Critter universe chew cube Completely safe and all natural chewtime activity Recyclable and Made of a renewable resource Fits anywhere inside critter universe Measures 5-1/4-inch width by 4-1/2-inch depth by 5-1/4-inch height Critter Universe Chew Cube Provides Your Pets with Chewing Fun Completely Safe made of All Natural Material Your Pets will Love to Gnaw and Chew on This Cube Perfect for Hamsters, Guinea Pigs, Rabbits and Mice Recyclable and Made of Renewable Resources Measures 5-1/4" Width X 4-1/2" Depth X 5-1/4" Height