E1 2A0 A0 A10 A1 A2 A3 A4 A4-Extra A4-Tab A5 A5-Extra A6 A7 A8 A9 B0 B10 B1 B2 B3 Envelope B4 Envelope B5 B5-Extra Envelope B6/C4 Envelope B6 B7 B8 B9 Envelope C0 Envelope C10 Envelope C1 Envelope C2 Envelope C3 Envelope C4 Envelope C5 Envelope C6/C5 Envelope C6 Envelope C7/C6 Envelope C7 Envelope C8 Envelope C9 Envelope DL JIS B0 JIS B1 JIS B2 JIS B3 JIS B4 JIS B5 JIS B6 JIS B7 JIS B8 JIS B9 JIS B10 JIS Exec Envelope Chou 2 Envelope Chou 3 Envelope Chou 4 Envelope Chou 40 Hagaki Postcard Envelope Kahu Envelope Kaku 1 Envelope Kaku 2 Envelope Kaku 3 Envelope Kaku 4 Envelope Kaku 5 Envelope Kaku 7 Envelope Kaku 8 Oufuku Hagaki Postcard Envelope You 4 Envelope You 6 10x11 Envelope 10 x 13 in Envelope 10 x 14 in Envelope 10 x 15 in 11x12 11x15 12x19 5x7 Envelope 6 x 9 in Envelope 7 x 9 in Envelope 9 x 11 in Envelope A2 Envelope 9 x 12 in Architecture-B Architecture-C Architecture-D Architecture-E B-Plus Envelope C5 Engineering-C Engineering-D Edp European-Edp Engineering-E Fanfold-European Fanfold-Us Foolscap F Government-Legal Government-Letter Index-3x5 Index-4x6 (Postcard) Index-4x6-Ext Index-5x8 Statement Ledger Legal Legal-Extra Letter Letter-Extra Letter-Plus Envelope Monarch Envelope #9 Envelope #10 Envelope #11 Envelope #12 Envelope #14 Envelope Personal Super-A Super-B Wide-Format 3.5x5 275 x 395 mm Folio-Sp Envelope Invite Envelope Italian 198 x 275 mm Large-Photo 267 x 389 mm Envelope Postfix Small-Photo Envelope Chinese #10 PRC 16K Envelope Chinese #1 Envelope Chinese #2 PRC 32K Envelope Chinese #3 Envelope Chinese #4 Envelope Chinese #5 Envelope Chinese #6 Envelope Chinese #7 Envelope Chinese #8 ROC 16K ROC 8K