HS213 – 50 White Mylar Envelopes, Blank, 4 1/4″ x 2 3/4″

Inexpensive white mylar stock envelopes have multiple uses, including organizing stamps and storing them.  Resistant to air and water,  contains no harmful chemicals.  50 envelopes per package.  4 ¼" x 2 ¾" sized envelopes.