The #3 White Poly Mailer, measuring 10" x 13", offers a reliable and efficient solution for shipping a variety of products. Designed to be lightweight yet durable, these poly mailers provide strong protection against moisture, dirt, and tears, ensuring your items arrive in pristine condition. Their smooth white surface is ideal for clear labeling and branding, enhancing package presentation. Available in bulk with 1000 mailers per case, they are perfect for businesses looking to streamline their packaging process while maintaining professional quality. These mailers balance cost-effectiveness with dependable performance, making them a smart choice for expert packagers.