Quality Park R1330 Quality Park Tyvek Open End Envelopes, First Class, 6×9, White, 100/Box

Tyvek® white envelope with a 14-lb. paper stock.
Tyvek® exterior.
Lightweight.
Durable and reliable. Tyvek® exterior makes these envelopes almost impossible to rip or puncture. Lightweight material reduces mailing costs. These durable, reliable envelopes provide an extra layer of protection for your documents. More »