100% Satisfaction Guarantee: Please feel free to contact us, if you have any questions. Waterproof and Zipper Closure: Material are waterproof, even in the rain, allow you to take out, and with zipper closure. Large Size: 24" X 36", it can holder many things. perfect for students and teacher. Lightweight but Durable: This portfolio is made from durable 420D nylon, it is light but heavy duty load. Two Size of Handles: You can use the short handles to carry by hand, or the long handles over your shoulders to leave your hands free.