Ware Manufacturing Critter Universe Eco Small Pet Cage System Critter Universe Eco is the environmentally friendly home for small pets Completely compatible with other tubular cages for small pets Includes a water bottle, bowl and wheel, making it the perfect starter home Simple assembly and cleaning so your hamster, gerbil, or pet mouse can come home quickly Made from break resistant recyclable plastic, strong chew proof recyclable steel and 100 percent recyclable packaging