Sewing Machine -1000m Bright Shine In Black Machine Embroidery/Sewing White Thread Highlights Generic Brand 1000m Bright Shine In Black Machine Embroidery/Sewing White Thread Description: Material: Polyester Length: 1000meter/1094 Yards 150D/2 Nylon embroidery thread For machine embroidery/sewing, adding highlights to your project. Glow in the dark embroidery thread will glow in the dark. This yarn is a new type of meterial textile with Eco-Friendly. it could give continuous light at night more than 12 hours after absorbing visible light for 10-15 minutes. It therefore, it is widely used in the development of new textile products and exquisite products. Specification: To achieve good light effect, use yarn liberally. The more yarn you put in an area, the more glow you will get. If only partial embroidery floss absorb natural or artificial light is not enough to achieve good effect Package includes: 1 x Sewing Luminous Floss Note: Please be reminded that due to lighting effects and settings monitor brightness/contrast, etc. The color tone of the website's photo and the actual item could be slightly different.