Serafil is thé overlocking thread for fashionmakers with ambition, made from polyester multifilament.
See the colour chart here colourchart serafil overlocking thread

It's washable up to 95 degrees, you can iron it on the linnen setting (three dots) and can be put in the dryer.

Even bleaching is no problem, it's resistant to perchlorethylene, white spirit, R11 and R113.

Serafil is also suitable as thread for blind stitching (on the blind hemming machine) or spoolthread for the embroidery machine