Description This thread is a new kind of textile material with eco-friendly. It could give out light continously at night over 12 hours after absorbing the visible light for 10-15 minutes. Therefore, it is widely used in developing new textile and exquisite products. To get a good glow effect, use thread liberally. The more thread you put in an area, the more glow you will get. Features - Color: Claybank. - Material: Polyester. - Size: 13 * 9 * 8cm(L * W * H). - Length: 3000 Yards. - Thickness: 150D/2. - Super bright and permanent glowing effect, meet the latest environmental standards. - For machine embroidery/ sewing, adding highlights to your project. - The sewing thread will glow continously in the dark for 4 to 6 hours after absorbing enough light for 2 to 3 hours. - It is a new kind of textile material with eco-friendly which is widely used in developing new textile products and exquisite products. - It features smooth, soft, which can be used for baby clothes, bags, knitted hat, shoelaces, phone straps, cross-stitch, sewing or etc. - Pls be noted that due to lighting effects and monitor's brightness/contrast settings, the color tone of the website's photo and the actual item could be slightly different. The sewing thread will glow continously in the dark for 4 to 6 hours after absorbing enough light for 2 to 3 hours. It is a new kind of textile material with eco-friendly which is widely used in developing new textile products and exquisite products. It features smooth, soft, which can be used for baby clothes, bags, knitted hat, shoelaces, phone straps, cross-stitch, sewing or etc.