Zeal X Packaging Poly Bags are made of high quality polyethylene materials and expertise, making our polyethylene mail bags with excellent water resistance, tear resistance, opacity, can protect your privacy and goods during transportation! Self-adhesive strip selection of environmental protection four seasons adhesive, strong adhesion, regardless of the heat and cold can maintain the viscosity, and convenient use, as long as the seal into the product and paste it to complete the packaging. Sealing can ensure the privacy and tamper-proof of the goods, and can safely deliver the package to the destination. These poly mailers are light, easy to transport and can replace bulky and expensive shipping boxes. Poly mail is also cost-effective, durable, and will help greatly reduce shipping costs. You can customize your email by adding your own logo or thank you note. Let your customers know that you care and build a positive brand image that promotes your brand and enhances your brand.