-Store important files or document in A4 size with 2 string lock to secure your documents. Easily take out files or put them in back again. Waterproof, durable, avoid important paper documents soaked and keep things dry. Made of high-quality and PP material. Easy carrying, suitable for office, school, home and learning place. - Material: PP Plastic - File Safety: String and name card pocket - Closed size : A4 a bit - Orientation: Landscape