The fabric is made of fiber optic wire and thread. The principle of fabric: The optical fiber can guide light, and when light passes through the optical fiber, it can light up the fabric. Optical fiber fabric can be used in the production of clothing, bags, hats, accessories, etc., is a very creative fabric. Size: width is 140cm(55inches) length support customization Color: White/Black(support custom color) About Brightness: The white fabric will be a little brighter, but black…