This lightweight and compact backpack is suitable for a wide range of activities, including mountain climbing, disaster preparedness, and travel. It can be securely fastened with the waist belt. It has only been used a few times, so the condition is believed to be good. Size: Approximately 50cm x 27cm x 15cm Folded size: Approximately 20cm x 24cm x 3cm Please note that there may be slight variations in the size due to amateur measurements. It has been stored folded for a long time, so there are wrinkles inside (see photos). It's convenient to use as a side bag while traveling to hold souvenirs or extra luggage. Water-repellent treatment makes it safe to use even in the rain. It has many pockets on the sides and inside, making storage very convenient. ● Please refrain from purchasing if you are concerned about the condition due to home storage. Material: Water-repellent