- Crystal clear viewing of 8 9/16 x 11 memorabilia
- Keep your letters and other memorabilia clean and safe
- Pack of 25 letter size memorabilia and other document holders per box
- 15 mil thick holder provides better protection than other Sentry holders on the market
- Opens on Short Side
Protective sleeve Sentry holders are essential items when collecting and saving important letter size documents. Sold in packs of 25, Guardhouse Sentry holders for letter size sheets are 15 mil thick and measure 8 9/16 x 11 inside, while the outside measures 11 1/8 x 8 13/16 inches. Guardhouse Sentry holders are made of non-plasticized rigid vinyl and are designed to keep important documents unharmed during long-term storage, at the same time as offering the collector great visibility of their collectible items.