1,it is cotton and 0.5mm thick, i used a gauge and checked it against thread i already have that's 0.5mm. i tried it on my sewing machines, singer
Lovely Rice Bag Sewing Thread For Strong And Neat Stitching
All things sewing with
20s/3 1914 yard /spool Gread for jeans canvas repair,or leather bag case making etc
WellieSTR Heavy Duty 100% polyester sewing thread Brown 20s/3 For Jeans Canvas (jiang huang)
1870 Gold 100m Gutermann Jeans Thread - Jeans Thread - Threads - Notions
It is perfect for emergency sewing, hand knitting, DIY handicrafts, hand sewing, embroidery, and sewing learning.
66-Piece, 27-Color Rainbow Sewing Thread Kit, Multi-Colored
Heavy Duty Polyester Thread, Hobby Lobby, 1253145
30X Polyester Extra Strong Heavy Duty Sewing Thread for Hand / Machine, Size: 50 Meters, Other
Product Description COATS&CLARK-Dual Duty XP General Purpose Thread. This thread combines advanced technology from Coats with nearly 200 years of thread-making experience. Thread features a polyester-wrapped core-spun construction creating a thread that provides enhanced seam appearance and makes sewing trouble free. Smooth and strong it sews perfectly on all machines from vintage to todays most advanced. This package contains one 125yd spool.
White - Dual Duty XP Heavy Thread 125yd - Coats
Button Craft Thread, Super Strong, Red - Picking Daisies
Perma Spun Tex 27 Thread - A&E - Same Day Shipping – Rochford Supply
Ideal for making or repairing denim jeans, jackets and anytime you need a strong thread. Matte finish, making it more subtle despite being thick. It doesn't shine like embroidery thread. Great thread for bag making. Use in seams that experience stress for the strongest seam possible.
YLI Jeans Stitch Thread Sz30 200yd Blue Jean Gold
Industrial Thread - 69 Nylon Spools - Black & White