Columbian CO397 10x13-Inch Clasp Gray Kraft Envelopes, 100 Count
A durable MULTI-PURPOSE envelope. Dual purpose seal allows for multiple uses. Use the moisture activated gummed seal for mailing or the strong metal clasp for repeated use and storage purposes. Features: Heavy-duty opaque 28lb gray kraft material provides privacy of contents. Open end closure. Sized: 10" x 13". Quantity = 100 envelopes.