Crystal clear viewing of 24x36 documents such as posters or art Keep your art, posters, or other memorabilia clean and safe Individual pack of 1 24x36 poster size topload holder 20 mil thick sleeves provides better protection than other Sentry holders on the market Protective sleeve Sentry holders are essential items when collecting and saving posters or photos. Sold individually, Guardhouse 24x36 Sentry holders are 20 mil thick and measure 24 1/8 x 36 15/16 inside, while the outside measures...