I used it once for commuting, but I'm selling it because I no longer have the opportunity to wear it. Popular backpack "STEM CORDURA COATED BLACK" PU-coated nylon version, which combines a stylish design and ease of use. With a sleeve for laptops up to 16 inches, it has a 20L capacity, perfect for storing and carrying everyday items. 【Main Compartment】 ・Suspended laptop sleeve for up to 16 inches ・Document sleeve with zip pocket, convenient for storing accessories ・Two zip pockets, convenient for organizing documents and accessories ・Bottle pocket ・Hidden pocket for AirTags(R) 【Exterior】 ・Large zippered front pocket ・Two back pockets (one with RFID blocking function) ・Honeycomb EVA foam back panel ・Ergonomic padded shoulder straps ・Removable chest strap Manufacturer Part Number: STBP201 Capacity: Approximately 20L Weight: 0.8kg Material: 840D nylon with polyurethane coating (front only), 1000D Cordura nylon (sides) Lining: 150D polyester Other Parts: ・YKK(R) ・Nylon weave style Military (MIL-W-17337) ・Duraflex(R)