We pursue the best quality of the laptop bag category and dedicated to providing the best product and service to customers. Energy Case is based on the cutting edge of fashion trends. We strive to achieve the best in every detail of design, colour, material, sewing, sale and service. Fits laptop brands such as Dell / HP / Toshiba / Lenovo / Acer / MacBook Air / Macbook Pro up to 17 inches. Suitable for university students, businessmen, office workers, teenagers, students, outdoor genes, etc. Size: approx. 41.2 x 34.2 x 16.0 cm; fits up to 17 inch laptop. Weight: 1.0 kg Material: Oxford nylon fabric; 210D waterproof polyester lining Three wearing styles: Backpack style: comfortable back strap system, easy and convenient to load on your back. Feature: This bag can be converted into a backpack, shoulder bag and briefcase, just you want it. Construction: Two main compartments are designed for laptop or tablet etc. Accessory compartment with pockets inside for items such as power cord, mouse, keys, passport, mobile phone, etc. with zip design. It is convenient and safe for your items to store pens, power bank, smartphone etc. Two layers of stronger shockproof padding keep your laptop from bumps Warm tips: please don't worry about the bag with the material smell when you get it, the smell will disappear in a airy place for a while. Happy shopping! !