These folders are made for the purpose of holding multiple documents of the European A4 (8.25″ x 11.75″) or the US Letter (8.5″ x 11″) size. They can also be made with pockets, and customized in other ways according to your requirements. They are usually used to carry and then hand out informational data or proposals. The prove to be quite useful and are usually of the standard 9″ x 12″ with 4″ high pockets. These sizes can all differ depending on each client’s individual requirements and creative suggestions.