Heavy-duty weather, tear, water, dirt and puncture resistant Poly Mailer PE Envelopes. Quick and pressure sensitive seal adhesive strip to close the envelope quickly and securely. Black inside color to keep the contents inside the mailer invisi

Heavy-duty weather, tear, water, dirt and puncture resistant Poly Mailer PE Envelopes. Quick and pressure sensitive seal adhesive strip to close the envelope quickly and securely. Black inside color to keep the contents inside the mailer invisi