
Wholesale Plastic Poly Courier PE Mailer Bag Self Sealing Delivery Express Shipping. Customized Size and Color: Size and color printing are fully customized according to customer requirements. Waterproof Performance: Made of LDPE material ensuring high waterproof performance for express shipping. SGS and TUV Certified: Products meet SGS and TUV certification standards for quality assurance. Free Stock Samples: Stock samples are available for free to help customers evaluate quality. Flexible MOQ: Minimum order quantity is 2 tons, allowing for flexible bulk purchasing. Fast Production Lead Time: Production time ranges from 15 to 40 days depending on order specifics. Self-Sealing Design: Features a convenient self-sealing method for easy and secure packaging. Direct Factory Supply: 100% factory direct with advanced equipment ensuring high quality and value.