Ensure your important documents are safely transported with these durable heavyweight mailers. Designed to resist punctures and tears, they provide reliable protection for your items. Featuring a convenient Redi-Strip adhesive closure, these 12 x 16-inch mailers are perfect for securely sealing contents. With an expansion capacity, they can accommodate bulkier materials, making them ideal for various mailing needs. The clean, professional appearance of the white exterior adds a touch of elegance to your package deliveries.