I bought this for commuting, but it has been stored unused. It's genuine leather and waterproof. I think it's perfect for commuting. The photos show everything, so please refer to them. Please see below for details. [Comfortable for Long Wear] The three-dimensional cushioning on the shoulder straps disperses pressure! Adjustable backpack straps can be optimized for individuals from 150cm to 185cm tall. The breathable mesh on the back reduces stuffiness, making it a comfortable business backpack even on crowded trains. Its simple and lightweight design (1.3kg) makes it easy to carry. Furthermore, its trapezoidal structure, based on ergonomics, prevents deformation and allows for more comfortable wear. [Smart Storage Design] The main compartment can easily store a 15.6-inch laptop. The front pocket allows for quick access to small items like your smartphone! While simple, it has internal card slots and small item pockets, allowing you to organize A4 files, your laptop, and other small items. Its moderate size and stylish trapezoidal shape allow it to function as both a business backpack and an everyday bag. [Travel-Friendly Practicality] The strap on the back allows you to securely attach it to a suitcase, making it a carry-on bag! You can consolidate your luggage when traveling through airports or on business trips. A hidden zipper pocket is located below the strap on the back, perfect for storing valuables like your smartphone or passport for theft prevention. [Product Information] Material: Genuine Leather (Calfskin), Color: Black, Size: Width 32cm x Height 40cm x Depth 15cm, Capacity: Approx. 18L, Weight: Approx. 1.2kg, Pocket Specifications: Front ZIP pocket * 1 (inside: iPad compatible free pocket * 1), 15.6-inch laptop compatible main ZIP pocket * 1 (inside: card slots * 4, pen holders * 2, free pocket * 1, inner ZIP pocket * 1, 14-inch laptop compatible mesh pocket * 1), Rear anti-theft hidden ZIP pocket * 1 Thank you for looking!