The Poly Mailers Shipping Bags Envelopes Premium Bag 10x13 by Mail Budz is a high-quality product designed for shipping and mailing needs. These self-sealing, peel-and-seal bags offer easy and secure closure for your packages. With a 10x13 exterior size and interior dimensions, these poly mailers are perfect for various shipping purposes. Made in the United States, this pack of 100 units ensures you have plenty of shipping bags on hand for your business or personal use. Plus, with daily shipping capabilities, you can trust that your items will be delivered promptly.