Amazon.com : Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, Great for Filing, Storing or Mailing Documents, 28 lb Brown Kraft, 100 per Box (QUA37890) : Office Products
High Bulk 9x12 Kraft Clasp Envelopes by Quality Park Products QUA37891 | OnTimeSupplies.com