Product spotlights Feature highlights:Custom Printing Security Tamper Deposit Bags are made from high-strength 3-layer co-extruded PE film, ensuring tamper resistance against freezing spray, hair dryers, and tearing. Special features include a temperature-sensitive security tape that turns red at 65°C, VOID OPEN indication upon opening, unique tracking codes, and customizable designs. These bags are ideal for courier services, financial institutions, and academic institutions to protect items from tampering while offering customization in design, thickness, and size. The material is PFAS-free, ensuring compliance with safety standards and providing market access value. Supplier highlights:This supplier mainly exports to the United States, South Korea, and Canada, with high customer satisfaction and a positive review rate of 94.7%