If you ever need to have sewing done or clothes repaired in Bangkok, the best place to get it done in Bangkok is on the street.

All over Bangkok, you will find women and men set up at the side of the road with a table and a sewing machine. You just drop off your item of clothing that needs to be sewed or repaired and pick it up a few days later.

This is Amorn shop that repairs all sorts of electronics. It is located at The Old Siam Plaza.
https://bit.ly/2uHw1FN

Bags: Mr. Fixlis
http://www.bagfix.com/