This is a product from STAN, a shop in Fussa, Tokyo that carries original products and selected items. I purchased it online and used it for commuting for 5 days. I'm letting it go because I need something that can hold a bit more. It's very light and made of durable material. It's black but also has a see-through quality, making it a very nice product! Would anyone like to give it a long-term home? Below is an excerpt from the HP ↓↓ STAN Product DCF Shoulder Bag "Black" Can be used as a shoulder bag or a shoulder-carried bag. Inside pocket + pen pocket + D-ring Size: Height 37.5cm, Width 37cm, Shoulder strap length 75cm, Width 5cm Material: DCF 1.43oz, Polyester, Cowhide Made in Japan -DCF- DCF (DYNEEMA COMPOSITE FABRIC), commonly known as Cuben Fiber, is an extremely thin film-like fabric made by laminating Dyneema fibers with UV resin. Dyneema is a polyethylene fiber that is incredibly strong despite its light weight. It is 15 times stronger than steel by weight and is an ultra-lightweight fiber also used in bulletproof vests.