There are no noticeable stains, and it is still in usable condition. Please only purchase if you understand that this is a used item. ace.GENE Business Backpack [Cool Back Structure] 13.3-inch A4 Size Compatible Lapack Air V2s Backpack Men's Gray A business backpack compatible with 15.6-inch PCs, equipped with an air ventilation function that reduces stuffiness on the back when wearing the backpack. [Air Ventilation Structure that Prevents Back Stuffiness] The back of the backpack has a curved structure, and by applying mesh to it, an air ventilation structure is adopted that secures a passage for air between the backpack and your back. You can wear it comfortably without your back getting stuffy. In addition, the shoulder straps that come into contact with your body and the pads that support your waist are made of cushioning material with holes, increasing breathability. [Various Storage Spaces] A two-compartment type that makes it easy to organize and store luggage by separating PCs and documents. The front compartment has a holder to secure a plastic bottle, pen holders, and open pockets for convenient storage of small items. The rear compartment has a storage space for PCs up to 15.6 inches. [Easy-to-Access Front Top Pocket] The upper part of the front pocket is easy to access when you hold the backpack in front of you on a train, etc., and is convenient for storing glasses and smartphones. The lower pocket has an open pocket inside, which is useful for storing small items you want to take out quickly, such as a business card holder. ■Size W30×H42×D14 cm 1060g 16L Compatible with 15.6-inch PCs Color: Gray ★Equipped with <mesh air ventilation> that reduces stuffiness on the back when wearing the backpack. ★The shoulder straps also have numerous punched holes, creating an air-permeable shoulder strap structure for comfort. ★The square wire on the back maintains the backpack's shape, preventing it from collapsing even when empty and keeping its clean form. ★Features Velcro dividers, including cushioned dividers suitable for PCs and tablet devices, making it ideal for business scenes. ★Holder for storing plastic bottles and water bottles upright. ★It's also great that you can remove all the dividers to store larger items.