With boostapak youll always have a car booster seat with you boostapak is a spacious hand luggage approved rucksack that doubles as a booster seat making it perfect for all car pooling and holidays the law requires all children under 12 years old or 135cm in height to use a booster seat so its important to always have one with you boostapaks handy features make it the ideal solution unique fold out seat belt guides wipe clean removable cover spacious capacity hard plastic intern