Polyethylene Waterproof (Plastic) Envelopes

Polyethylene Waterproof (Plastic) Envelopes
These flexible envelopes provide high quality protection to important direct mail pieces. Envelopes are water, tear and puncture resistant. All envelopes are approved by the U.S. Post Office. Envelopes made from Recycled plastic. LIGHTER THAN PAPER, SAVES POSTAGE!