Size: 50-100 L This is the "LOST CREEK UL 50" lightweight backpack from "ZEROGRAM". This type is no longer sold on the official website, making it a hard-to-find item. I added parts to the ends of the cords because I didn't like the raw cut look. One of the zipper tabs on the front zipper has come off. If you are concerned, please repair it. I think it can be easily fixed with accessory cord and heat shrink tubing. (Repaired) This is a 55L roll-top backpack, perfect for mountain climbing and trekking. It's lightweight and highly functional, supporting a comfortable mountain experience. [Brand] ZEROGRAM [Category] Backpack, Rucksack [Condition] No noticeable scratches or stains [Size] 55L [Material] Nylon [Color] Beige系 (Beige-based) [Weight] 970g I have used it a few times, but there are no noticeable scratches or stains. Please refrain from purchasing if you are sensitive to used items, as it has been stored at home. I am selling it because I have multiple backpacks of the same capacity. Thank you.