XL BOOSTER SEAT - Booster seat with wide contoured seat base and extra length for better leg support and kid comfort 2-in-1 - Easily converts from a high back booster to a backless belt-positioning booster seat with two retractable cup holders QUICK & SECURE INSTALLATION - with LATCH connectors and front adjusters to securely connect the booster seat to your vehicle in seconds. Helps to make self-buckling easier and keeps the seat in place while the seat is unoccupied EASY ADJUST HEADREST - 6-position headrest to provide protective head support for your child with reinforced side impact protection SAFETY BUILT IN - Diono booster are always tested over and above safety standards