Universal® Deluxe Tyvek Expansion Envelopes, Open-Side, 4" Capacity, #15 1/2, Square Flap, Self-Adhesive Closure, 12 x 16, White, 50/CT

Ideal for mailing bulky items and materials. Excellent alternative to heavy boxes and cartons. Superior water-, chemical-, moisture-, burst-, tear- and puncture-resistant protection. Open-Side (Horizontal Orientation)—Features a maximum capacity of 4". Seam Type: Weld; Flap Type: Square; Trade Size: #15 1/2; Security Tinted: No.

Warranty	Manufacturer's limited one-year warranty.
Global Product Type	Poly Mailers
Seam Type	Weld
Flap Type	Square
Trade Size	#15 1/2
Security Tinted	No
Opening	Open Side
Envelopes/Mailers Closure	Self-Adhesive
Exterior Material(s)	DuPont™ Tyvek®
Basis Weight	18 lb Tyvek
Envelopes/Mailers Exterior Dimensions	12 x 16
Color(s)	White
Color Family	White
Expansion	4"
Product Biodegradability Indicator	N
Product Biodegradability in Days	0
Product Compostability Indicator	N
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	Open-Side (Horizontal Orientation)—Features a maximum capacity of 4".