Booster car seats are especially designed to sit a child up high enough in a car seat so they can safely use the car's seat belt. Not always is it possible to bring one's regular booster car seat along, for example while travelling, car-pooling with friends, riding a taxi abroad, where car seat rules may differ from those at home. We offer some of the best travel portable booster seats and belt-positioning backless boosters made for young children, which fully comply with ECE R44/04 regulations. Use a travel car booster seat as a temporary solution, for example when renting one is far too expensive or simply impossible.