Waxed polyester cord is a type of cord made from polyester fibers that have been coated with wax. The wax coating gives the cord a smooth and durable finish, making it ideal for a variety of crafting and DIY projects. Waxed polyester cord is commonly used in jewelry making, macrame, and other fiber arts. It is available in a range of colors and thicknesses, and can be easily knotted or braided to create custom designs. The wax coating also helps to prevent fraying and tangling, making it a popular choice for beading and other jewelry-making techniques.