Chicco KidFit 2-in-1 Belt Positioning Backless Booster Car Seat exp 2029 Clean no accidents I have two identical ones The KidFit® is designed for children who are at least 4 years of age, between 38-57 inches tall, between 40-100 pounds in high-back mode and 40-110 pounds in backless mode, and can sit relatively still in the same seated position throughout the car ride. The IIHS Best Bet KidFit® Booster is designed with 10 positions of DuoGuard® protection for the way kids grow. With height adjustment from the waist—instead of at the neck—KidFit® offers both head and torso protection throughout every stage. Two dishwasher-safe CupFolders™ fold out of the way when empty and are easy to remove for cleaning. All fabrics, including armrest covers, are removable and machine-washable. DuoGuard® head and torso protection with 10 positions Premium LATCH connectors with SuperCinch® one-pull tightener ErgoBoost® contoured seat with double foam padding Removable, machine-washable seat pad, cushions, and armrest covers 2 dishwasher-safe CupFolders™ are easy to remove and fold away to save space Integrated side wings lined with EPS energy-absorbing foam for improved impact protection 2-position backrest adjusts to mimic vehicle seat position Easy-to-use vehicle belt guides Backrest is removable to create a backless booster for older children