I'm selling this because I bought a new one. I bought it at a used clothing store, where it was listed as unused, but it has the typical smell of a used clothing store. I believe it's a model from nearly 20 years ago, so please understand. The size is M and it's frameless. Based on my research, similar ones have a capacity of 40 liters. I agree, it seems to be about that much. It looks to be in good condition. I think you can continue to use it without any problems. I haven't used it since I bought it. I've only tried it on. The weight was about 890g. It has many external pockets, such as mesh pockets. It will be shipped folded. - Color: Blue - Design: With mesh panel - Pockets: Two side pockets - Straps: Adjustable straps - Features: Lightweight design Thank you for looking.