Here's a box of  Stahls' heat press 3" block film letters. Red in color.  In factory original open box, many of the letters have never been removed from their sealed packaging! The box is not full, but contains a lot of letters, look at photos. All the letters are unused, I did not count the number of letters there are. I think all letters are unopened with just the letter "L" missing. Made of heat transfer iron-on film material, the letters are ideal for making personalized designs on a variety of clothing, banner, pennant, etc. materials. 
Made by Stahls' in St. Claire Shores, MI.  The original large box (measures approximately 20" x 15" x 3") has a tray insert to keep each different letter type separate and organized for easy use. I acquired a large lot of these lettering. I have several colors, sizes and styles of lettering. Please let me know if you would like any additional information.  Thank you. Stahls' 3 " red  block film letters heat transfer Lettering.