Large-capacity seat bag made of water-resistant material, with internal straps. - Brand: FIZ - Color: Blue/Black - Features: Large capacity, with internal straps - Material: Water-resistant material - Size: Medium Thank you for viewing. Perfect for multi-day touring. Please judge the storage capacity from the photos. Used three times, but there is no dirt or damage. Width can be expanded from 40cm to 60cm. Sides are 35cm, height is about 32cm. The rain cover specifically for the bag is unused.