Come and see our amazing products. This transparent A4 document pouch with a snap button is made of high quality environmental pp plastic. Using 20C thickness, silk 'C' is the thickness of the file bag material.The greater the number of silk, the thicker the material, the more durable. It's convenient to store documents, files, office supplies and easy to carry. Any other size is welcome to customized. Pls confirm with us about the packing info, stock color and exact production time before placing your order.