Waxed Thread: Our round waxed threads are made of polyester and lightly coated with wax for smooth weaving, knotting, and macrame. The waxed bead cord boasts high tensile strength, strong wear resistance, and no elasticity. Just the right stiffness for tying knots or holding shapes. Jewelry Making: Waxed thread for jewelry making can be used for DIY bracelets, necklaces, earrings, beading, stringing, braiding, etc. The wax on the surface of the jewelry thread makes it smoother when passing through objects. This wax will naturally wear off over time with use. Leather Sewing Applications: This colorful waxed thread is suitable for bookbinding, DIY crafts, hand sewing, and leather projects, such as repairing your sofa, wallet, shoes, bags, and more. You're sure to find the perfect color in this set. Wide Usage: Strong and durable waxed polyester cord can be freely cut to your desired length. The wax coating on this hand sewing thread prevents fading, abrasion, and mildew. It's waterproof and can be worn in the shower and while swimming.