I've used it for about a month, and it's in beautiful condition with no noticeable wear or fraying. Please check the photos for details on the condition. It's a very lightweight, large-capacity, minimalist backpack. The original purchase price was 20,900 yen. You can instantly expand the capacity from 19L to 30L by opening the zipper. 【Brand Product Number】N24001 15 / 【Brand Name】NoiR / 【Color】Black / 【Outer Material】Other Fabric / 【Country of Origin】China The Transistor backpack supports your urban life, whether for city use or travel. It has the storage capacity you need, including a PC compartment and an organizer in the front pocket. If you have more luggage or are traveling, you can expand the gusset by 9cm (fabric part), which should provide you with comfort depending on the situation. ●PC compartment: Compatible with up to 15.5-inch outer dimensions ●Rain cover: Built-in on the top of the main body (removable) ●Zipper pulls with non-slip grips for easy opening and closing ●Organizer function in the front pocket, convenient for storing small items (removable) ●Bottle pocket ●Can be carried on a luggage handle with a dedicated belt on the back ●D-ring on the shoulder strap for attaching accessories and keys ●Chest belt can be adjusted up and down ●The gusset can be expanded by approximately 9cm by opening and closing the zipper ■volume Approximately 21L (MAX approximately 34L) ■size(cm) H56 x W27 x D14 (MAX 23) ■weight 15/BK: 800g 16/BBK: 905g ●Sizes are external dimensions. ●Due to manual measurement, there may be slight errors from the dimensions described. ・A4 size (22 x 31cm): Yes ・Long wallet (10 x 20cm): Yes ・Plastic bottle sideways (500ml): Yes ・Plastic bottle vertically (500ml): Yes FREE: 【Height】46cm / 【Width】27cm / 【Bottom Gusset】14-23cm / 【Shoulder Strap Length】47-96cm Color: Black系 (Black-based) Accessories: None Stains/tears: None