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 About the brand With UPPAbaby products, you are assured to turn heads with your city strolller and car seat ensemble. Benefit from their trendy, safe, convenient and comfortable products. Discover our favorite brand online and in stores.