The Pet Rolling Pack Pet Carrier is an ingenious, versatile way to travel with your pet. It can be used as either a backpack or a rolling suitcase with a push-release handle. It features large side windows and a sunroof made of claw-proof polyester mesh, an EVA molded door, an inner leash for added security, and an ergonomic contour spine surface for comfortable use as a backpack. The suitcase is expandable with the use of the inner fiberglass frame and has an adjustable inner platform that creates two separate spaces so that you can carry two small pets. This high quality pet travel solution comes with a storage cover. The weight of this convenient carrier is 10.3 pounds.