This thread is a new kind of textile material with . 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 products. To get a effect, use thread liberally. The more thread you put in an area, the more glow you will get. Features - Color: Orange. - Material: Polyester. - Size: 11.00X6.50X6.50cm/4.32X2.55X2.55in - Length: 3000 Yards. - Thickness: 150D/2. - Note: Random storage bucket - 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 which is widely used in developing new textile products and 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 Package list: 2 * 3000 Yards Spool Luminous Glow In The Dark Machine Embroidery Sewing Thread (Orange)