first class mailers

Plastic Mailers and Envelopes

Plastic first class mailers are poly envelopes and polyethylene pouches used to send USPS first class mail. Padded mailers protect items that are delicate but not especially fragile. First class mailer pouches are made of Polyethylene or co-extruded film. Types of USPS first class mailers include: Co-ex Mailers First Class Co-ex Mailers Heavy Duty Mailers […]