This Parkway Belt-Positioning Booster Seat from Britax features side-impact protection, supportive comfort foam and soft, padded materials to promote proper seat use and enhance safety. Designed to fit 3 across in most vehicles, this booster seat accommodates children 40 lbs. and up. It features a removable backrest to convert it to a backless booster; 2 retractable cup holders; color-coded belt guides, and a one-hand, quick-adjust head restraint to make the seat convenient and easy to use.