Materials:
- map of any kind
- thick plastic sheeting
- shower curtain liner to match map
- mailing tape or duct tape
- stapler
- +/- hot glue gun
Step 1: Cut map to size of bag you want
Step 2: Cut out bottom an staple pieces together then line with shower curtain liner or similar fabric
Step 3: Hot glue or tape in piece of cardboard to make bottom of bag. I used part of a soda box.
Step 4: Optional - use roller cutter and cutting board to make sure all pieces are even and symmetrical.
Step 6: Fold a separate piece to be the strap and line with plastic
Step 7: Tape the inside together using LOTS of heavy duty tape or attach grommets