Designed for multi-function travel, the MiaMily luggage bag universally configures into a ride on suitcase for children or a portable seat for adults, allowing your child to quickly and conveniently travel with you atop the travel suitcase or providing a resting place for adults when standing for long periods of time. When traveling without a child, the seat on this spinner suitcase can be used to safely store a diaper bag, travel bag or a briefcase. Features: Built in seat back great for multi use: child riding, portable seat for adults, bag storage; Suitable for children and adults; Total weight capacity of ~220lbs / 100 kg (including luggage contents); Patented design; 5 Year Product Warranty; 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; Seatbelt for child included; Luggage specs: Dimensions: 48 x 38 x 29 cm / 19 x 15 x 11.5 inches; Weight: 9.2lbs / 4.2 kg; Volume: 43 liters; Materials: Hard shell: polycarbonate; Built in seat: polypropylene; Interior lining: polyester; FAQ How sturdy is the luggage? The shape of the luggage is designed with a wider base to add more stability and a smoother ride. Is it safe? This is a ride on suitcase with a built in seat belt recommended for children ages 2+. Please note however that this is not a toy and only one child should be seated at a time, always keep your hands on the luggage and use the safety belt. Never leave a child unattended on the seat alone and never seat a child on the luggage when empty. Can I bring this on the plane? Our carry on will fit in most airline's overhead compartment bins but please check with your airline as every airline has their own requirements.