Unbox, unfold, install, adjust and go all in 2 minutes or less. One of a kind compact folding booster with SafePlus® easy-adjust backrest and headrest. 8 Years One Booster - for your big kid from 40 - 120 lb. It's all you will ever need. One-hand easy-adjust - SafePlus® 12-position headrest and backrest that grows up with your child. Engineered for safety and comfort with 8 layers of Side Impact Protection. Built for comfort for every size - our backrest has deep padded cushioning. One built-in removable cup holder - keeps your big kid's drink close at hand. Our contoured premium soft fabrics - with layered foam padding that provide comfort and support can be easily removed for machine washing. SafePlus® belt guides - easy access to seatbelt buckle help your big kid with self buckling -- don't forget to check though! Unbox, adjust and go - all in 2 minutes or less. Thanks to the SafePlus rigid LATCH connectors, all at a push of a button. Easy to move between cars, or to store at a push of the quick release latch button. Engineered with our most side impact protection - our rigid shell is reinforced with 8 layers of high-impact aluminum and EPS energy absorbing foam, to protect the head, shoulders, and torso. Folds to the size of a carry-on bag - great for storage in the trunk or at home. Perfect for trips by plane when you need a boost for your big kid.