435 Extra Heavy Weight Folders Easi-File's most popular filing folder! Space saving durable folder with a 50mm file capacity to store all of your important documents. A 50mm file capacity allows up to approx. 450 sheets of paper to be contained within our 435 EHW Folders! This folder does the job of a lever arch file, without using up as much space! Plain Folder with a Springclip attached Folders are available in 12 different bright colours including white. Use a combination of colour coded labels and folders to ensure easy access to all of your files.