Similar to the bar code, the thickness of the line is not equal, and the focus is firmly grasped. After the bag is decorated with stripes, it becomes more flavorful. The IMBC series of side backpacks and postman bags, whether it is a gentleman's casual or formal suits, can make people in the high-rise buildings, busy streets, bustling crowds, easy to interpret the city's refined style. The whole series is mainly composed of single color, and with strong contrasting lines, it is calm but not monotonous; the cross-grain embossed cowhide material on the surface of the bag enhances the delicate texture of the bag; The details of life are perfectly managed, allowing you to simply show the gentleman style. • Ingredients: 100% 10oz cotton, special PU surface treatment • With leather: 100% NAPPA cowhide, surface embossed • Zipper: nylon zipper • Ribbon: Nylon fine grain webbing • lining: 70D nylon cloth, I AM rumor printing • Hardware: low nickel anti-rust plating, no heavy metals •made in China ─ I AM Ingredients and dyeing dyes and printing inks used in the interior are free of azo- ─ I AM hardware meets the European Union's standards for the release of nickel ions- " Function Description" Front body: zipper pocket x1, smart phone & pen insert function bag x1, fixed keychain strip x1 Main bag: magnetic buckle opening and closing x1, 13 吋 notebook with bag x1, inner bag x2 Back sheet: zip pocket x1 "Cleaning and Maintenance" 1. When it is inadvertently exposed to moisture, wipe it off immediately and place it in a well ventilated place. 2. If it is dirty, wipe it gently with a white, clean, semi-moist cotton cloth or a clean soft brush. 3. Avoid wiping with volatile materials. 4. Do not wash to avoid chromatic aberration of the main material, deformation of the bag liner or rusting of the accessories. Remarks 1. The size of the product will be slightly wrong due to the measurement method. The size of the mark is for reference only. Please use the actual size. 2. The color of the product image file will be slightly different due to the computer screen brand and settings. Please refer to the actual product color.