The five-in-one I-GO2 Sport 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 Sport offers you versatility and affordability. Comes with removable pad for easy washing, tether to secure animal, and wheel cover. 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.