Thank you for viewing. Storage capacity: 50 liters *As shown in the third photo, the size can be adjusted with a zipper. Product dimensions: 18 depth x 67 width x 45 height cm Product weight: 830 grams Care instructions: Wipe clean Outer material: Polyester Closure type: Zipper Water resistance level: Non-waterproof Country of origin: Vietnam Chest belt with whistle Description: A multi-functional backpack perfect for forest and seaside schools, and can also be used as a disaster preparedness bag. My daughter only took it camping once, and it's in very good condition. I will cut off the part of the tag where the name stamp was.