Reflective Waterproof Backpack Rain Cover Outdoor Sport Night Cycling Safety Light Raincover Case Bag Camping Hiking Specifications: Material: polyester + impervious coating Size: S: about 20-28 liters M: about 30-40 liters L: about 42-55 liters Weight: S: about 75g M: about 85g L: about 95g Packing List: Rain Cover*1 Notes: Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance. Due to manual measurement, there might be a tolerance in the product size.