12 x 16 x 2 White Expandable Ship-Lite Envelopes 100/Case

These white expandable envelopes are made from paper reinforced with mesh screen poly fibers, making them moisture-resistant. They're perfect for shipping books and other bulky items and feature a convenient self-seal closure.

To use these envelopes, simply open the self - seal closure, place your book or bulky item inside, and then seal it shut. When packing, try to arrange the contents neatly to avoid over - expanding the envelope. Keep these envelopes in a dry place to maintain their moisture - resistant properties. If they get wet, dry them as soon as possible. There's no need for any special maintenance, just use them as needed for your shipping tasks.