Hi,

Thank you for your interest in our product. Please refer to the link below for Crystal dining chair assembly instructions:

Assembly

are these chairs cushioned?

Hello,

Yes, the seat is cushioned.

also, the seating area, how deep is it?

also, can we add plastic covers on the legs?

Hello,

The seat comes with plastic floor protectors on it. The seat depth is not listed in our data sheet at this time.