1000 10x13, 100 12x15.5 Poly Mailers Envelopes Bags Plastic Shipping Bag Mailer

1000 10x13, 100 12x15.5 Poly Mailers Envelopes Bags Plastic Shipping Bag Mailer 2.5 Mil High Quality Self Sealing Mailers. Self Sealing Poly Courier Shipping Mailers!UPS, FedEx & USPS APPROVED Superior tear and puncture resistance. The silver inner layer provides confidentiality Pressure sensitive adhesive provides a high strength durable closure, water and dirt resistant High-efficiency mailers are perfect for shipping a wide variety of non-fragile items. Water, Tear and Puncture resistant. Lightweight saves on postage High strength seams allow for over-stuffing.