From energetic elementary school kids to independent pre-teens, our premium Alta V2 High. Back Booster Seat delivers proper seat and belt positioning with style, comfort, and ease. Features: -Slim design to maximize room within vehicle -GREENGUARD® Gold Certified to support healthier air quality and low chemical emissions -Removable, washable fabrics -Single-piece seat pan for effortless detachment and easier cleaning -Seven-position, Active Support Headrest for growing children -Simple SecureFit™ Belt Routing System ensures proper fit -Seat back incorporates EPP foam and memory foam to mitigate crash forces -Lap Belt Positioners to ensure child can administer a secure fit themselves -Included, dishwasher-safe cup holder Approximately 6–10 years old Suitable from 40–100 lbs Suitable from 38”–57” in height Product dimensions 20” L x 17.5” W x 25.5–33” H (Headrest height in lowest and highest positions) true weight : 17 lbs