12 x 16 x 2 Expandable White Tyvek Envelopes 100/Case

These envelopes are made from 18 lb. olefin, which makes them ten times stronger than regular paper envelopes. They can expand to hold bulky items easily and come with a self - seal closure for quick and convenient use.

To use these envelopes, simply open the self - seal closure, place your bulky items inside, and then seal it shut. Make sure to press firmly along the seal to ensure it stays closed. When handling, avoid sharp objects that could puncture the envelope. To maintain the envelopes, store them in a dry place away from direct sunlight. If they get dirty, you can gently wipe them with a dry cloth.