... size 4,OEM/ODM are welcomed 5, factory, not trade company SGS, Rohs, ISO, Sedex1)Material:100% tyvek2)Haremelss to enviroment ... )Logo design: silk screen printing, 4c offset printing6) Perfect for premium gifts, advertise for sport, medical, commercial, party. Material:100% eco-friendly ... :0.046 CBMN.W.:5.00 KG/CTNG.W. :6.00 KG/CTN factory make tyvek wristbands for your promotion, party and events