The five-in-one I-GO2 Traveler has a telescoping handle with wheels to function as a rolling case. It can be used as a backpack, tote, carrier, or car seat. The Traveler offers the most room and a fashionable design. Comes with a removable pad for easy washing, two tethers to secure animal, and wheel cover. Unzip the sides to allow the carrier to expand 3". Provided your pet fits into the dimensions of the product comfortably when fully assembled, this item will support the weight of your pet. For small pets only - read sizing dimensions of product carefully.