bike pannier bag offers a spacious 20L capacity, perfect for carrying helmets, water bottles, cycling gear, and even laptops up to 15 inches. Made from durable polyester with a waterproof PU coating and sealed zippers, it keeps your belongings dry in any weather, complemented by an included rain cover. Its foldable design allows easy storage, while versatile carrying options as a backpack or shoulder bag suit various cycling needs. Secure iron-core hooks with rubber protect your bike’s rear rack, ensuring stability on rough rides. Experience reliable quality and style with this sleek black