Made with durable 14-lb DuPont™ Tyvek®, which is strong enough to withstand the most grueling conditions. The material is puncture, tear and moisture resistant—virtually indestructible.
Perfect for shipping, storing or organizing. Heavyweight 28-lb paper withstands extensive handling at home, in the office or on the mail route. These envelopes are perfect for small flat or larger folded documents.
Feature a quick-and-easy Redi-Seal® closure ideal for bulk mail. Have pressure-activated latex adhesive on two surfaces. Just press together for a strong, durable seal. No paper strips. No moisture required.