Add a glowing twist to your creations with DIY Glow Twist, a medium-weight, 100% polyester yarn infused with a glow-in-the-dark effect. this fun and functional yarn has 94 yards per skein, which is great for kids' accessories, nighttime projects, and unique home décor, whether they are knit, crochet or another craft. The luminous fiber charges under light and glows in the dark, making it a playful choice for creative designs. Machine washable and dryable.