Crystal clear viewing of pennants 12x30 Keeps pennants clean and safe Pack of 10 toploader sleeve per box helps you save a lot of money 12 mil thickness means better protection than other sleeves in the market All-new sealed These pennant covers are great for long sterm storage! Protective sleeve toploaders are essential items when collecting pennats. Sold in packs of 10, pennant size Guardhouse toploaders are 12 mil thick and measure 12 3/16 x 31 3/16 inside, while the outside measures 12 5/8 x 30 7/16 inches. Guardhouse toploaders are made of non-plasticized rigid vinyl and are designed to keep pennants unharmed during long-term storage, at the same time as offering the collector great visibility of their collectible items. Guardhouse Toploaders#: 839. Size: 12x30. Sold in Packs of 10.