Size Details -- Package includes about 2 cards flat polyester elastic cords, size is about 0.2"(5mm) wide, 10.94 yards(10m)/card, 20m in total.Soft and Comfortable Material -- The elastic cord is made of high-quality polyester fiber, which is flexible, soft and comfortable, ideal for sewing projects without irritating the skin.Strong Elasticity -- It is rich in elastic fibers and has the characteristics of high elasticity. Within the allowable tensile elastic deformation range, it is easy to restore the original length without deformation, and can withstand repeated use.Convenient to Use -- They are packed in roll, you can cut into any length and wrap the rest cord around the spool, convenient to use and easy to store.Wide Application -- Perfect for underwear, panties, sportswear, dress belts, leggings, sleeves, bedspreads, belts, DIY hair decorations, shoelaces, hats, bags or jewelry making and more, bring out the fun of DIY.