25 Laminating Pouches to be used with your heated hot laminator. They measure 9 x 11-1/2 (LETTER SIZE) and are 5 MIL pouches. Pouches have 1/8" rounded corners. Protect your valuable documents against water, dirt, oils, wrinkling and tearing. When laminated your items have durability and are professional looking. This size is great for making signs for your office, business, school, church, or club.