Quality Park Survivor Tyvek First Class Envelopes Pair with Avery Easy Peel White Address Labels 18262, 1-1/3" x 4", Laser/Inkjet, 140pk Bundle

Keep your outgoing mail safe and secure with Quality Park Survivor Tyvek First Class Envelopes. They have a patented release strip that makes these open-end catalog envelopes easy to open. These peel-and-seal envelopes come with a convenient Flap-Stik closure that does not require moisture to seal. They are made of DuPont Tyvek that won't rip, tear or puncture. These Tyvek envelopes provide greater security than paper envelopes, and they are also water-resistant and moisture-resistant while remaining lightweight.

Quality Park Survivor Tyvek First Class Envelopes: First class mail #1 (6" x 9") 14-lb Tyvek envelopes Peel and seal envelopes, 100 per box White Patented release strip makes these open-end catalog envelopes easy to open Does not require moisture to seal Won't rip, tear or puncture Water-resistant and moisture-resistant Lightweight