• These TOP-OPENING FILING ENVELOPES come in four sizes

• The T-1 for Marching Band Music (8.25" wide x 6.75" high).
• The T-2 for Instrumental Music (12” wide x 9.25” high).
• The T-3 for Large Instrumental Music  (15” wide x 10.25” high).
• The T-4 for Choral Music (12” wide x 9.25” high.)

• These TOP-OPENING FILING ENVELOPES are made from heavy-duty 10-point index paper and are proven to stand up well to file cabinet wear and tear, keeping your music looking fresher for a longer time and protecting your investment. 
   
• The TOP-OPENING FILING ENVELOPES are also easy to use, as you can retrieve or re-file the music in a file cabinet without taking the file out of the drawer.  Filing music after a rehearsal or concert has never been easier!
   
• One side of the TOP-OPENING FILING ENVELOPE  is pre-printed to help you organize your music by title, composer, arranger, publisher, instrumentation or voicing. There are even sections for keeping track of performance dates and - especially important for the choral director - the number of copies.
   
• Gamble Music is proud to have the only TOP-OPENING FILING ENVELOPE on the market and it is both Copyrighted and Trademarked with all rights reserved.