Heavyweight 18 Lb Tyvek Open End Expansion Mailers, #13 1/2, Square Flap, Redi-strip Adhesive Closure, 10 X 13, White, 100/ct Kitchen Tools & Utensils while being thin and flexible

while being thin and flexible enough to get into tight spaces

fire-safe steel will not burn

Manufacturer Part Number:45507

Finishing:Laminated

Hold the world in the palm of your hand

Heavyweight 18 Lb Tyvek Open End Expansion Mailers, #13 1/2, Square Flap, Redi-strip Adhesive Closure, 10 X 13, White, 100/ct Kitchen Tools & Utensils while being thin and flexibleThese 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