Tie Dye Design outer surface Print across the front and back / Purple inner lining. Unsurpassed Water & Tear Resistance - Superior side seams combined with Heavy Duty polyethylene make these High Quality envelopes highly resistant to water, punctures, and tears. Pressure sensitive self seal - Easy packing, tamper-evident, and super secure closure. Light Weight & Time Saving. 100% recyclable Keywords: poly mailers, polymailers, mailer