nighttime visibility; high quality; We are manufacturer for reflective products with competitive price . 1. Material: PET or ... , gloves, etc.; can be made into many decorations.3. Reflective material: single or double side;4. Initial Average: 15 ± ... 37mm, 0.5mm, 0.8mm, 1mm etc.7. This reflective yarn isn't suitable for sewings and embroidery machines.Item No ... .5 20 57.5*23*24 13/12 reflective yarn