These Survivor® envelopes expand to provide lightweight, inexpensive shipping for bulky items. Expandable envelopes are made of puncture, tear and moisture-resistant DuPont™ Tyvek® material. Envelopes made with Tyvek® are half the weight of heavy duty paper envelopes, so you save on postage with each mailing. Our tough expandable mailers resist overstuffing, bad weather and rough handling to deliver your contents intact. With easy to use Quality Park® Redi-Strip® envelope closures. Just peel and press for an instant seal. Redi-Strip® envelopes are the perfect mailroom update for concerns about surface germs in the workplace. Skip the yuck, stay safe and save time with every mailing. Plus, peelable paper strips protect your adhesive from dust so envelopes last longer in storage. The large envelope makes a versatile mailer for all kinds of thick enclosures, from paper to textiles. Opens wide to accommodate binders, books, manuscripts, transcripts and more. Tyvek® is a trademark of DuPont used under license by LSC Communications US, LLC d/b/a TOPS Products.

• Strong, lightweight envelopes made of Tyvek® material are half the weight of heavy-duty paper envelopes; save on postage with every mailing
• Envelopes made with Tyvek® repel water and resist acids, bases, salts, rot, mildew and stains; perfect for storing taxes and essential papers in the home office
• Redi-Strip ® envelopes seal tight to keep contents safe; just pull and press—adheres without moisture for a clean, instant seal
• Plain white mailers made from Tyvek make ideal shipping envelopes for clothing, books, binders and big bulky papers
• Survivor® 10 x 13 expansion mailers are built to open 1.5 inches; made of rip & water resistant Tyvek material with self seal flap; 100 per box

Manufacturer #	R4500
Acid Free	Yes
Brand Name	Quality Park
Color	White
Envelope Closure	Self-Adhesive
Envelope Size Class	Nonstandard
Envelope Use	Documents
Expandable	Yes
Height	13 in.
Manufacturer	QUALITY PARK PRODUCTS
Material Family	Plastic