Features: -3D growth™ system: grow up, grow out and grow on -2-in-1 design. Converts from a high back to a no back booster -One-hand 10 position height adjustable headrest makes moving on up a breeze -Shoulder system works simultaneously with the headrest, expanding out while growing up -Seat sports 3 depths giving growing legs plenty of support and space -Customizable recline thanks to 8 different UAS positions -Includes a Dishwasher-safe cup holder -Sleek and chic micro-knit fabric is easy to remove and is machine washable -Energy absorbing foam and SIP pods take side impact security to the next level -Coloured belt path indicators help decrease risk of user error -ISOFIX attachments easily secure car seat to vehicle seat during use or transport -Ventilation panels within the shell create a comfy climate for even the longest of trips -High back booster: for children 4 years+, from 40-110 lbs. and 38""-60"" tall -No back booster: for children 5 years+, from 50-120 lbs. and 38""-60"" tall Product dimensions: 11.8"w x 14"d x 22.4"h Product weight: 16.4 lbs.