Leather is really abrasive on fiber, so the wax helps keep your thread from fraying. Waxed threads are stronger and stiffer than unwaxed thread while retaining most of the thread's smoothness feel and vibrant color. This thread can sew anything that can be sewn with waxed nylon or polyester strings. For example: Leatherwork, awnings, sails, shoes, saddles, bags, brief cases, gun cases, and luggage, etc.
Waxed Thread, Wax String, Coated Cord Heavy Duty Polyester 284Yard 1mm 150D for Bracelets, Leather Craft Stitching Sewing, Book Binding, DIY
120 Meters 300D 1.2mm Sewing Waxed Thread with 2 Needles Leather Craft Hand Stitching Waxed Thread Cords Awl Shoes Bags Repair (Black)
264 Yards 150D Leather Sewing Waxed Thread Cord for Leather Craft
HYTK Waxed Leather Sewing Thread 295 Yds 0.8MM 150D
2 Pcs 260M 150D 1MM Leather Sewing Waxed Wax Thread Hand Needle
264 Yards 150D Leather Sewing Waxed Thread Cord for Leather Craft
Book Leather Waxed Thread - 0.45mm Leather Sewing
QMNNMA Waxed Thread 250m/273Yard, Leather Sewing Waxed Thread Cord, 150D Waxed Book Binding Thread, Waxed Coated Thread for Beginners Leather Craft
Round Waxed Thread for Leather Sewing - Leather Thread Wax String Polyester Cord for Leather Craft Stitching Bookbinding by Mandala Crafts 0.45mm 219 Yards Chocolate Brown
2X, 260M 150D 1MM Leather Sewing Waxed Wax Thread Hand Needle Cord
Flat Waxed Thread (Beige) - 284Yard 1mm 150D Wax String Cord