Pet Gear I-GO2 Day Trip Dog Carrier in 6 Colors PG1260PK It is a tote---it is a car seat or an ajustable booster It is a shoulder carrier----it is a telescoping handle pull behind It is a backpack---Included with Traveler: Tether and Comfort Pad I Go2 Travel Carrier Dimensions: 11"D x 12"W x 17.5"H---Weight Limit - 6lbs. FREE SHIPPING Within Continental U.S.