Alfie Pet by Petoga Couture - Jocelyn Sleeping Cave Bed for Small Animals Like Dwarf Hamster and Mouse Measures 7"L x 7"W x 5.5"H with a 4"L x 3.5"W opening. Jocelyn Sleeping bed is every pets favourite sleeping place. Sherpa material inside the cave provides a comfy "sleep and hide" compartment. A comfortable, private & warm place to sleep & relax for your pet. Machine washable for easy cleaning.