CritterTrail One Level Habitat Complete one level habitat for all hamsters, gerbils and mice. Removable Petting Zone allows for easy interaction and is a safe resting location. Create a dream environment with expandability ports that allow connectible accessories to be added. Easy to clean construction with deep base. Well ventilated environment. Includes quiet exercise wheel, water bottle and food dish. Super Protect technology built into all interior surfaces to provide a healthier habitat.*Formerly known as CritterTrail OneHabitat measures 16"L x 10.5"W x 11"HSUPER PROTECT Antimicrobial Technology is built into all plastic interior surfaces providing a healthier, cleaner habitat for your pet.