This pack of 50 white plastic bags with self-sealing features is perfect for securely packaging and shipping items. The bags are made by Secure Seal, a trusted brand in the industry. Each bag has an interior dimension of 10 x 13 inches, making them ideal for a variety of shipping needs. The bags are designed for ease of use, with a simple zip-up closure that ensures a secure seal. They are perfect for shipping documents, files, or small packages. The origin of manufacture is unknown, but the quality of these bags is undeniable. Get your hands on these poly mailers and enjoy a reliable and convenient shipping option.