Customized High-Quality Poly Mail Transport Bags Product Specifications Material: HDPE, LDPE, biodegradable starch Double layer thickness: 0.14mm Printing options: Single-sided printing / double-sided printing; single-color logo, two-color logo, CMYK multi-color printing Production time: 3-6 days Shipping methods & delivery time: FedEx: 3-5 days UPS: 2-6 days China Post Electronic Data Packet: 6-15 days Sea transportation […]