From Mia Mily, this Luggage features:  Suitable for children and adults Seatbelt for child included Built in seat back great for multi use: child riding, portable seat for adults, bag storage Bag hook on seat back Fits in most overhead bin compartment, please confirm with your airline Universal TSA approved 3 digit lock 360° degree wheels Total weight capacity: ~220lbs / 100 kg (including luggage contents) Dimensions: 48 x 38 x 29 cm / 19 x 15 x 11.5 inches Weight: 9.2lbs / 4.2 kg Volume: 43 liters Hard shell: polycarbonate Built in seat: polypropylene Interior lining: polyester Patented design 5 Year Product Warranty Imported.