Item Spec Outer Material | 500-denier mixed weave polyester: Black, Navy | 300-denier Ecoya polyester: Heather Black Size | Main body: Approximately W245 x H400 x D120 (mm) | Backpack straps: Length approximately 400-830 (mm) x Width approximately 20-60 (mm) Weight | Approximately 600 grams Capacity | Approximately 11.2L I bought this for a MacBook (13 inch) and used it a few times. I think it's in good condition. There are no noticeable frays or anything like that. Thank you.