BoostApak is the best way to avoid hire charges when travelling abroad. Its a hand luggage-approved backpack that doubles as a booster seat with plenty of space for toys and games to keep everyone content during long journeys. Its an ideal solution for sharing lifts and travelling in coaches or taxis. BoostApak is a ECE44.04 approved car seat for group 2 & 3, certified to European Union and United States safety standards. Recommended for children under 135cm weighing between 15 and 36 kg (approx. 4-12 years). Winner of Mums Choice Top 3 - Won. MumsNet Best 2012 - Top 3. JPMA Innovation Award 2012 - Winner. Right Start 2012 - Winner. Junior Design Award 2011 - Winner. Mummii - Baby Toddler Gear 2014 - Winner. Car seat group 2-3. Suitable for children from 15kg to 36kg. Suitable for children aged approximately 4 years to 11 years. Size H37.8, W18.7, D35.5cm. Removable washable cover.