Amazon.com : EnvyPak Clear Presentation Envelope Holds Large Format Documents - Resealable Tape and Seal Closure - Holds 12” X 18″ Insert - Pack of 25 : Office Products
Sage Presentation Envelopes | Paper Source
Matching 8.5 x 11” Paper & #10 Envelopes, Imitation Aged Parchment Finish – Great for Letters, Invitations, Announcements, Business Documents | 24lb Text, 90 GSM | 50 Paper and 50 Envelopes Per Pack - Walmart.com