10x13 Poly Mailers

10x13 Poly Mailers, 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, which translates to lower shipping costs combined with faster shipment preparation. • 100% Recyclable