For storing die sets . Regular Magnet Sheets and Storage Envelopes from Unity Stamp Company. These envelopes are transparent, have a top closure and are made from sturdy plastic. One high quality plastic envelopes that measure 5" x 7". The included magnetic sheet measures 4.25" x 6.25. These sheets and envelopes are the perfect size for storing dies. These envelopes and magnetic sheets will start you on your way to organizing all your dies so you won't misplace part of the set ever again! LIMITED QUANTITIES!  We are starting with 100 of these in stock!