100 Pack Poly Mailers, 10” X 13” Envelopes Plastic Custom Mailing Shipping Bags, Poly Mailer Envelope with Self Seal Adhesive Strip - Waterproof & Tear-Proof 【What You Get】100 extra thick Pink Roses postal bags (10’’ X 13’’). This unique design helps the customer bags to stand out and your dear friends find them easily. If you are tired of plain regular mailers, our pretty POLY MAILER BAGS are a great choice for you. Glistening packing creates a new look for your goods.