20 Sheets Puzzle Glue Sheets, Preserve 3 x 1000 Pieces Jigsaw Puzzles, No Stress and No Mess, Puzzle Saver Preserve Your Puzzle Masterpieces.
How to Use:
1. Flip over your assembled puzzle so that the back of it is facing up.
2. Lay out the adhesive sheets while the adhesive backing is still attached on the back of the puzzle.
3. Peel off the adhesive backing and apply slowly the adhesive sheets to the back of puzzle.
4. Using the palm of your hands, firmly press over all areas of the applied adhesive sheets.