Guardhouse Glassine Stamp Envelopes in size 4.5 are perfect for protecting stamps, coins, photos, negatives, invitations, artwork, gift packets, seeds, crafts, and more.
These envelopes are made of a PH neutral, semitransparent paper with no harmful chemicals, making them safe to use. They are water, air, and grease resistant, ensuring that your contents stay protected.
The flaps are fold…