Reflective Leather Sewing Thread

·Material: 100% polyester·Yarn count: 0.5mm, Tex140·Color: Only gray·Packaging: 437yd/400m/cone ✅Logo Customize✅Packing Customize Description:Reflective Polyester Leather Sewing Thread is a special sewing machine thread which will reflect strongly under light in dark. Designed for stitching leather goods, it reflects light brilliantly in the dark, enhancing safety while maintaining a sleek, premium look. Features:1. 360° High reflectivity, the brightness is higher than 400 (cd/lux.m2).2. Strong tensile strength for leather sewing.3. Runs on special sewing machine with #200/25 Needle.4. Durable and abrasion-resistant.