Heavy 18 lb Tyvek Open End Expansion Mailers, First Class, #13 1/2, Square Flap, Redi-Strip Closure, 10 x 13, White, 100/CT

Brand: Survivor®

Expandable fit made of rip and water resistant Tyvek material with self seal flap.
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.

SKU: QUAR4210

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. USPS First Class Mail-Heavyweight 18 lb Tyvek®. Seam Type: Center; Flap Type: Square; Trade Size: #13 1/2; Security Tinted: No.

Products specifications

Trade Size	#13 1/2
Pre-Consumer Recycled Content Percent	0%
Post-Consumer Recycled Content Percent	0%
Total Recycled Content Percent	0%
Expansion	1.5"
Seam Type	Center
Exterior Material(s)	DuPont™ Tyvek®
Preprinted Message	First Class Mail
Security Tinted	No
Opening	Open End
Flap Type	Square
Format/Border	USPS First Class Mail Format & Border
Color(s)	White
Color Family	White
Basis Weight	18 lb Tyvek
Footnote 1	DuPont™ and Tyvek® are registered trademarks of DuPont™
Footnote 2	Tyvek® basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek® material
Global Product Type	Catalog Envelopes
Envelopes/Mailers Closure	Redi-Strip® Adhesive
Envelopes/Mailers Exterior Dimensions	10 x 13
Product Biodegradability in Days	0
Special Features	USPS First Class Mail-Heavyweight 18 lb Tyvek®