About Item * Material: Oxford cloth * Lining texture: Polyester * Color: Blue / Black * Size: 45cm * 31cm * 16cm (15.6 inch) * Weight: 540g * Function: Wear-resisting / Burden-reducing / Waterproof / Earthquake-resistant / Breathable * Internal structure: Laptop bag, Solid bag, Document bag, Camera bag, Zipper pocket Packaging Includes 1 x Backpack + 1 x USB charging cable + 1 x headphone interface cable About Personalized Custom * File format: You'd better offer the file: CDR/AI, but if you have High-definition picture with PNG/PSD/JPEG also well. * Logo size and position: I can offer a le than A3 paper print and the position not limit, you can put it on anywhere. * Pattern color: Solid color / Multicolor / Luminous * Printing proce: Thermal transfer, the finish the pattern show is almost close to the original, please don't worry. * Minimum order quantity: 1 piece Notice: If you have another questions and requests, please contact me. About Shipping * We will ship it in 3 busine days usually. (Major holidays will delay the