This luminous yarn is made of 100% polyester material, not easy to break or tear, soft to the touch, skin-friendly and comfortable, can be used or stored for a long time, they can glow in the dark, making you or your clothing more eye-catching. Although it looks like ordinary yarn during the day, the fluorescent design makes the yarn glow at night, it can absorb light and make them glow in the dark, the fluorescent yarn brings you a fresh visual experience at night. The total length of each roll of yarn is 25m, each thread is about 3mm thick, and each roll is about 50g, which is not easy to break and feels soft. You can use it to decorate anything you can think of, such as knitted scarves, shawls, sweaters, hats, socks, gloves, shoes, seat cushions and more. Anyone who loves crochet, knitting and crafts will love this yarn pack because it is easy to use and suitable for beginners, it is a perfect gift for Christmas, Valentine's Day, birthdays, Easter, parties and more friends. Material: 100% Polyester Color: Light Blue, Green, Orange, Purple(optional) Size: 25m Weight: 60g Package List: 1 Roll x Glowing Yarn