Features: Superior PP material and presentation for durability. No binding requirement,very convenient to use. Removable back can be reusable. Waterproof,it keeps your document clean and dry. Transparent design,easy to classify the items in bag. Use for school,office,home and bookstore. Specifications: Material: PP Size: 215x310x10mm Color: blue or random Quantity: 5pcs/pack Package included: 1set Deli 5531 Presentation Folder(Two colors,choose it as you like.Thanks ) Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks