The 200 Poly Mailers Shipping Bags by Mail Budz are premium, self-sealing envelopes perfect for shipping. With interior dimensions of 10x13 inches, these poly mailers are designed for easy sealing and durability. Made in the United States, these shipping bags are ideal for businesses looking for reliable and efficient packaging solutions. With a unit quantity of 200, these poly mailers offer great value for those needing to send items through the mail. Perfect for everyday use, these shipping bags provide a convenient and secure way to send packages.