FOR THE MONTH OF OCTOBER: Proceeds from purchasing this mailer will be donated to the Breast Cancer Research Foundation to show support for Breast Cancer Awareness Month! Our lightweight self sealing 10x13 custom printed poly mailer shipping bags are perfect for packaging merchandise such as t shirts, shirts, clothes, apparel and other non fragile products. Our top-quality poly mailing bags are designed to help you make a lasting impression. Our self-adhesive poly mailer envelope bags have many custom mailing bags to choose from that are printed with only the most chic, modern and unique pattern - Pack it Chic Postal Bags carry variety of custom printed design poly mailers bags that creates high strength, flexible and tear-resistant self sealing poly mailers that provides non-transparent, durable, strong, secure printed mailers that makes shipping process much easier!