These Really Useful Boxes are transparent, solid plastic boxes for multi-purpose storage with 10 A4 suspension files.Made from sturdy polypropylene, these 19 litre storage boxes are extremely durable, and transparent to allow easy identification of contents. With moulded suspension ridges for holding suspension files, these boxes can be used to store and organise A4 documents, and are perfect for home and office suspension filing.These boxes can be easily stacked on top of each other, offering a handy space-saving option.The 19 litre Really Useful Box with A4 suspension files is ideal for every home and office use.. External Dimensions L395xW255xD290mm. Internal Dimensions L315xW205xD270mm. Working temperature of -15 degree Celsius to +80 degree Celsius