The re-sealable adhesive strip is below the opening of the bag instead of on the flap. It can be folded over and sealed over the bag's opening. It can fit the below: 1. Mat frame + backing+ print 2. Mat frame + foam board + print 3. Double Mat frame + backing+ print 4. 8ply Mat picture frame + backing+ print
Golden State Art Pack of 100 Acid-Free 8 3/8x 10 1/8 inches Crystal Clear Sleeves Storage Bags for 8x10 Photo Framing Mats Mattes - B01G7SM8GW