This listing is for Showgard Strip Style Stamp Mounts Size 20. These Showgard strip style mounts have a Clear backing and are sized for stamps of all nations. Each mount measures 20.5mm x 215mm. Each order is for a package of 22 mounts. This item is new from our inventory. Showgard mounts are made of oriented polystyrene and are free of chemicals that may be harmful to postage stamp paper, ink or gum. The material in these mounts will not shrink or discolor and is 100% waterproof. All Showgard mounts are gummed with an exclusive formula to ensure safe, firm adhesion to the album page. Made in Liechtenstein. For U.S.A Miniature Stamps