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
Pre-Cut Sizes: miniature sheets and panes. Size: 178/181mm Black Back or Clear 3 Mounts per package Butterfly 2oz. Series, La Florida, Carmel Mission Express Mail, Celebrate Scouting, & Cranes.
