Very gently used. 3-stage reclining feeding booster seat (more reclined to sitting up right), which is attached to regular dining table chairs.
Removable tray. Placemat probably missing, but we may still have somewhere.
For descriptions and details of the chair, it can also be found on amazon.ca: https://www.amazon.ca/First-Years-Newborn-Toddler-Reclining/dp/B002WN2C0E