Hi,I need 500 square meter (1 meter x 500 meter) of high reflective tape. It must be silver, not grey color.Back fabric material is 65% polyester 35% cotton, T/C, suitable for garments. it should be a bit heavy, not light and flimsy.Thankscotton, T/C, suitable for garments. it should be a bit heavy, not light and flimsy.ThanksShow More