NinjaCat Soft Clamshell Cat Bed - Covered Pet Bed for Small Animals NINJACAT SOFT CLAMSHELL CAT BED: Package includes one NinjaCat Soft Clamshell Cat Bed with detachable top and bottom and pillow insert. COVERED CLAMSHELL DESIGN: The clamshell design of the NinjaCat Covered Pet Bed keeps drafts away from your pet whether it's cold outside, or you just like it cold inside. COMFORTING SPACE FOR PETS: The compact design provides a safe space for weather-skittish pets during storms or when you are away. PERFECT SIZE FOR A VARIETY OF SMALL ANIMALS: The NinjaCat Soft Clamshell Pet Bed also works for small dogs, ferrets, teacup pigs, bunnies, and other 15 pound or less pets.