Upseat Baby Chair Booster Seat with TrayBABY FLOOR SEAT AND BOOSTER WITH TRAY: Safely place your baby in the Upseat chair while feeding or use as a baby floor seat for sitting up. A baby seat with tray that also converts to a booster seat conveniently helps you feed your baby. WE CARE FOR YOUR BABY: Designed and developed with the help of leading physical therapists, this booster seat slightly rotates the babys pelvis forward to engage the muscles responsible for proper upright posture.