A shipping bag with Self Adhesive Seal, good glue will make sure your item arrives without any tears in bag to ensure your goods are kept safe in transit. Material: HDPE/LDPE/Co-Extruded Film/Biodegradable Material, etc Thickness: 2Mil/2.35Mil/2.5Mil/2.75Mil/3Mil, Custom based on your requirement Size: Customized size Color: any color as request Sealing & Handle: Self-adhensive Seal Printing: customized printing, up to 8 colors Logo: Custom logo accepted Feature: Durable, moisture resistant, security Usage: Express, Shipping, Parcel packaging, Mail Service