Prym black elastic sewing thread for sewing and crafts, used to stop necks on jumpers from stretching. It is good for knitting, crocheting, caps and ankle-warmers, and is an excellent shirring elastic. 
 
It is 0.5 mm thick and wound onto a sewing machine bobbin, ready for immediate use on the sewing machine, to produce crimping or to stabilise selected places on the fabric.

•    Black elastic sewing thread - 970 010
•    Sold as a 20m spool
•    Thread diameter: 0.5mm
•    On sewing machine bobbin – can be used on the machine
•    Colour: Black