Polyester & Nylon bonded thread is best for leathercrafting. The most common colors are black & white. I HAVE OTHER COLORS, JUST NOT LISTED YET. 
 
Material: Polyester
Brand: Mandala Crafts
Product Care Instructions: Machine Wash
Material Composition: Polyester 100
Number of Pieces: 1
Item Length: 36000 Inches
 
About this thread
 heavy duty sewing thread made of 100% polyester; Abrasion and uv resistant thread; Strong sewing thread for indoors and outdoors; Colorfast and weatherproof thread; Black heavy duty polyester sewing thread with high tensile strength
 
High strength polyester thread for sewing, cross stitching, quilting, and tatting; Heavy duty upholstery thread for chair, sofa, couch, drapery, bedding, mattress, area rug, and carpet; All-purpose super strong thread for shoes, buttons, coats, jeans, and khaki pants
 
Heavy thread for leather sewing; Outdoor sewing thread for sail, boat and auto car cover, tent, awning, hammock, and canopy; Polyester thread heavy duty for beading; Polyester threads for bags, backpacks, wallets, and luggage; Tough thread for sewing hair and wigs
 
Black heavy duty sewing machine thread compatible with home and industrial sewing machines and sergers; Heavy duty thread for canvas, webbing, denim, cotton, fleece, and wool; Black leather sewing thread for vinyl, suede and fur
 
Extra strong thread for sewing in bulk; Continuous length; Easy to thread; Compatible with 16/100/ or 18/110 needles; Heavy duty thread for hand sewing; 1500 yards #69 T70 210D/3 heavy duty polyester thread for sewing machine
 
 
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