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.