17 x 21 Black Self-Seal Flat Mailers 100/Case

These environmentally - friendly mailers are crafted from 100% recycled paperboard and can be 100% recycled. They feature a side - loading design, a convenient pressure - sensitive closure, and a tear strip for quick opening. Ideal for sending soft items, photos, documents, and promotional materials.

Using these mailers is easy. First, open the mailer by pulling the tear strip. Then, slide your items in through the side - loading opening. Press the pressure - sensitive closure to seal it up. When using, make sure your items fit properly inside to avoid tearing the mailer. For maintenance, store them in a dry place to keep the paperboard in good condition. They are made to be recycled, so after use, just put them in the recycling bin.