MENSPE Fashion Cycling Backpack Outdoor Bicycle Riding Water Bag Hiking Backpack Riding Backpack Ultralight Bicycle Backpack Outdoor Water-repellent Bicycle Riding Backpack

The backpack may not look big, but it has a huge capacity for carrying water bottles and umbrellas. There is still room to put them in, but the key is that the surface film is not afraid of water even in rainy days. If it gets dirty, it can be cleaned with a damp cloth. I really like it.