Expansion Envelopes with heavyweight Tyvek offer superior protection for mailing bulky items that are not too heavy. They are ideal replacements for costly boxes or cartons. Design features an open-end style and convenient Flap-Stik closure. Envelopes with DuPont Tyvek won’t rip, tear or puncture. They are much stronger and more secure than traditional paper envelopes. These 18 lb. expansion envelopes are water-resistant and moisture-resistant. They are easy to use. Simply peel and seal.
Survivor 12 x 16 x 2 DuPont Tyvek Expansion Mailers with Self-Seal Closure, 100 / Carton (Quantity)
- Made with durable yet lightweight, 18 lb. DuPont Tyvek that’s tough enough to resist punctures, tears, moisture and chemicals for long-lasting performance
- Gusseted sides that expand up to 2″ to accommodate bulky items
- Self-seal, Redi-Strip closure for a clean, quick seal immediately on contact
- Peel-off strip to protect adhesive from dust for a longer shelf life
