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

Description

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 MailHeavyweight 18 lb Tyvek. Seam Type: Center; Flap Type: Square; Trade Size: #13 1/2; Security Tinted: No.

• Seam Type : Center

• Global Product Type : Catalog Envelopes

• Flap Type : Square

• Trade Size : #13 1/2

• Security Tinted : No

• Opening : Open End

• Envelopes/Mailers Closure : Redi-Strip Adhesive

• Exterior Material(s) : DuPont Tyvek

• Basis Weight : 18 lb Tyvek

• Envelopes/Mailers Exterior Dimensions : 10 x 13

• Color(s) : White

• Color Family : White

• Format/Border : USPS First Class Mail Format & Border

• Preprinted Message : First Class Mail

• Expansion : 1.5″

• Product Biodegradability in Days : 0

• Pre-Consumer Recycled Content Percent : 0%

• Post-Consumer Recycled Content Percent : 0%

• Total Recycled Content Percent : 0%

• 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

• Special Features : USPS First Class MailHeavyweight 18 lb Tyvek

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