This is an ultra-lightweight, waterproof backpack with PC storage. It's a stylish, casual backpack. I purchased it new about six months ago and have never used it. It's a popular item that is currently sold out (discontinued). - Product Information - Manufacturer: OLGANCE Color: Green (Khaki) Waterproof Performance: Uses coated Oxford cloth and polyester, providing excellent waterproof performance. Functionality: Easily fits A4-sized books and documents. It has a pocket inside that can hold a laptop or tablet up to 14 inches, and a zippered pocket. Lightweight Design: The main body weighs only 0.66kg, making it an ultra-lightweight design. This product combines practicality and design, featuring water repellency, lightweight construction, a 14-inch laptop/tablet storage pocket, and an internal zippered pocket, making it suitable for commuting, school, short business trips, and everyday use. Size: 40cm x 30cm x 15cm (height x width x depth) Material: Coated Oxford cloth, polyester Color... Green系 (Green-based) Stains/Tears... None