... ID, height restrictions, special privileges, and catering service identification. 1 inch Tyvek wristband-TVK250 FAQ MaterialDuPont TyvekSize25.7cm * 2.5cmClosure Adhesive ... Shelf Life Keep in the cool and dark place, 3 yearsShipping Way As your requestPayment Term L/C, T ... our best to enlarge Advanced equipment and scientific management, 3,000m2 clean wrorkshop, qualified staff Developing more and more ...