1)Material:PE 1)Recyclable,Wateproof,Eco-friendly 2)Customized Size / Color / Logo 3)Color:up to 10 Mailer Bag 1. Material: PE, Other Materials Is Available Too. 2. Usage: Used For Express And Mail Services3. Feature: Shock Resistant, Waterproof, Dustproof, Recyclable4. Customized Size / Color / Logo5. Eco-friendly, SGS.FDA6. High Quality And Competitive Price ItemMailer bagUsageUsed For Express ...