Size Information -- You will get a total of 9m/9.48yards long flat nylon non-slip elastic cord, 4.5m(4.92yards)/roll, 2roll in total, the elastic cord is 15mm(5/8 inch) wide month, sufficient length can meet your daily crafting needs.Premium Material -- Made of high quality braided material, it is sturdy and durable, not easy to break, good elasticity, not easy to deform, it can be used for daily sewing projects.Unique Design -- This elastic cord is mainly made of nylon material, with a silicone strip designed in the center, which can ensure the elasticity while increasing the decorative aesthetics and non-slip, bringing convenience to your life.Easy to Use -- The flat design makes them easy to be cut, you can cut them to the length you need for use according to your needs, which is convenient for easy making and sewing.Widely Used -- They are widely used in various sewing projects, such as underwear, shorts, bathing suits, skiwear cuffs, etc., you can also use them in various exquisite handicrafts making, bring convenience and fun to your life.