Poly Bubble Mailer Introduction:All Poly Express plastic mailer has improved Poly Co-extruded mailer. Our Poly Mailers are now more secure, more durable, more effective for shipping your document and soft goods Poly Bubble Mailer features:The opaque inner security layer of these poly mailers keeps contents confidential Poly Bubble Mailer explanation:A white outer layer of our plastic mailer enhances clean outer surface aesthetics. A?three layer film on our poly?mailers provide moisture and puncture resistance Poly Bubble Mailer material:Inner opaque color ensure the confidentiality of the packed item, White clean outer layer is easy for writing, Customized printing are available Poly Bubble Mailer character:Multi-Layer Co-extruded film, No adhesive between each layer, A safe and environment friendly packing bag which is widely used and can be recycled Poly Bubble Mailer use:Self-adhesive tape firmly secure the inside packed item, Can be use to pack cash, confidential documents or item, garments etc