Size Reference: The elastic round string is 20m/21.8 yards long, its diameter is 5mm, the length is sufficient for your general use Quality Material: Made of polyester with nice workmanship, soft and durable, resistant to abrasion, not easy to pilling, suitable for long-term use. Nice Elasticity: It's elastic to help things fit to your target. Just cut out the desired length and sew directly to the fabric. Wide Application: Ideal for hair band, head rope decoration, DIY hair accessories. Sewing uses such as cuff drawstrings, gift decoration and stringing materials, woven home decorations, etc. DIY Accessories: The stretchy cord can cut any length that you want, very convenient for storage and use, saving your time and efforts