The Survivor® 10 x 13 x 2 DuPont Tyvek Expansion Mailers with Self-Seal Closure are durable and reliable packaging solutions for shipping and storing documents or small items. Made of Tyvek material, these mailers are resistant to water, tear-resistant, and provide extra protection for sensitive materials. The self-seal closure ensures secure delivery, making them ideal for various business and industrial applications where reliable packaging is crucial.