Survivor® Tyvek Expansion Envelopes - First Class Mail - 10x13x1.5 - White - 100/Carton

Enhance the security and efficiency of your mailings with our 10" x 13" x 1-1/2" First Class Border Expansion Mailers. Crafted from 14 lb. DuPont Tyvek, these mailers are designed to withstand the toughest conditions, ensuring your contents remain safe during transit.

The Redi-Strip closure eliminates the need for moisture, providing a hassle-free sealing process for your convenience. With the ability to expand up to 1-1/2", these mailers can easily accommodate bulky items, making them ideal for a variety of mailing needs.

Whether you're sending important documents from home or work, our everyday mailers offer a reliable solution to ensure your items reach their destination securely. The lightweight construction not only protects your contents but also helps you save on shipping costs.

Invest in our First Class Border Expansion Mailers to give your mailings the extra protection they deserve, without compromising on quality or security. Trust in our mailers to deliver your items safely and efficiently, every time.