Box files are used in almost all offices and even households to store documents in an organized manner. The box file by SAS comes in a pack of 4 pieces. About the box files: The Box files are made of sturdy material and makes them highly durable. The canvas material ensures that the files last for a long time and do not get ripped or torn easily. You can keep the documents and other papers in the file to keep it safe and in an organized manner. The files are of free size and can easily contain documents of all sizes. They have metal clips inside that keeps the documents intact and ensures that it does not get misplaced. They have a capacity of 3 inches. You can buy the F/S Canvas Box File with Metal Clip online.