I would give this 8 out of 10 stars. My Mother has this at her house and it is perfect for Grandparents or for small spaces.  I loved using it for its convenience. It is very practical and easy to clean. However it wobbled a bit depending on the chair it was on and the tray was difficult to remove.

It is a great quality chair and I would reccomend it.  My sons therapist actually recomends its use for children that have eating issues or developmental delays because of its high weight limit and ability to be used as a booster.  So depending on what your needs/size of eating area and your childs...