Alfie Pet by Petoga Couture - Ricki Travel Carrier Vacation House for Small Animals Like Dwarf Hamster and Mouse This carrier measures 5"L x 2"W x 6"H. The strap is adjustable to 9-18" long. Can be used as temporary home and carrier for traveling. For hamsters, mice, gerbils or other small animals. Well ventilated; Creates an airy and comfortable environment. Machine washable for easy cleaning.