Used Belle 2-in-1 Harness Booster Car Seat. Manufactured date is good for 10 years per store, until 2028. There is staining on the seat from all the food/drinks that were spilled. I'm sure you may be able to get it out with a little elbow grease.
Product Features:
Approved for forward-facing use with 5-point harness for children between 26.5-65 lbs & 29"-49" in height.
Can be converted into a belt-positioning booster for kids between 40-100 lbs & 38"-57" in height.
Easy-to-install & use Latch – lower anchors and top tether.
2-position crotch belt to allow for growth.
This seat is Side Impact Tested only when used with 5-point harness.