The I-GO2 Sport is a five-in-one product. It has a telescoping handle with wheels, to function as a roller bag and can also be used as a backpack, tote, carrier, and car seat. This product comes fully assembled and includes a removable pad for easy cleaning, tether to secure pet, and wheel cover. This product was designed with small pets in mind. Please refer to our sizing guide to make sure you have chosen the right model for your pet.