Material:Poly Item:Purple Poly Mailer Design/Printing:Custom Design Gravure Printing(10 Colors MAX) Certificates:SGS/UKAS/ROHS/ISO9001:2008, etc Feature:Tear-proof/Strong Adhesive/Opaque/Perfect Printing/Security Thickness:2.3mil/2.5mil/3mil/50-200microns/Customized Sample policy:Free Samples Offered Size:10x13/12x15 inches/Customized Factory type:BSCI/Alibaba Audit 23-Year Factory Durability:12 Kg or more Material:HDPE/LDPE/Co-extruded Plastic Film. Show More