Preserve your finished jigsaw puzzles! You worked hard to solve those puzzles. Now save them for posterity! Easy-to-use peel-and-stick adhesive sheets will help you preserve your completed puzzles. Quick, simple, and mess-free. Just turn your completed puzzle over. Apply the adhesive sheets to the back of the puzzle. Then display your finished puzzle. Set contains 6 adhesive sheets and 2 sticky mounts for hanging your puzzle on the wall. Set enables you to save 1 finished 1000-piece puzzle or 2 smaller puzzles. For puzzles measuring up to 28'' x 20''. Each sheet measures 15'' x 7.5''. Sheets come packaged in an envelope measuring 8-1/4'' square.