Reflective fabric sewing thread

·Material: 100% polyester·Yarn count: 20wt·Packaging: 1093yd/1000m/cone. Description:Reflective Polyester Fabric Sewing Thread is a special sewing machine thread which will reflect strongly under light in dark. When illuminated by a light source, it helps to enhance the visibility at night-time or in difficult weather conditions and adds that extra special decorative feature. The daytime colour is silver and when illuminated by light the reflected colour is white. Features:1. High reflectivity, the brightness is higher than 250 (cd/lux.m2).2. Durable: Strong and resistant to wear and tear.3. Versatile: Ideal for workwear, sportswear, and outdoor apparel.4. Easy to Use: Smooth and reliable for all types of fabric sewing projects.