made of clear PP,11 hole sheet protector have 6,11,26,30 hole have A4,A3, ... , Letter size can be used for file pocket. 11 hole sheet protector,office stationery,file pockethave 6, 11,26,30 hole ... .suitable for important documents' safekeeping5.Provides attractive images,logo and printing upon requirements,according to your artwork!6.OEM production and ...