Made of oriented polystyrene Contains no agents that might be harmful to postage stamps Special foil will not shrink or discolor It is 100% waterproof and is proven safe for stamps
U.S. Souvenir Sheets thru SIPEX except To Fit: Pacific '97 2-Triangles 1-161x161 pane of 16 Stagecoach and Ship 2-23x28 2-175x118 Black Back or Clear 7 Mounts per package
