Product Details: Brand: ROCKBROS Product Name: Bicycle Handlebar Bag Material: Nylon + TPU Capacity: inner bag only (2.5-4L); brown inner bag + outer mesh bag (5.5L) Weight: about 170g Size: outer mesh bag (26.5 x 12 x 15.5cm). brown inner bag (26 * 8 * 40cm) Features: Split design: This bicycle front bag consists of a waterproof inner bag and a black outer bag. The brown waterproof inner bag can be used alone, and the bag can be taken away at any time after parking, which is convenient and quick. The outer bag can be used alone, supported by a hard plate, and can be used as a basket. Convenient Capacity: The brown inner bag has a large capacity of 5.5L, which can accommodate a computer, pump, maintenance tools and other cycling equipment, making travel more convenient. The capacity of the outer bag (when used alone) is about 3.9L. The outer bag is equipped with a mesh pocket, which can store small items such as mobile phones. Waterproof: Only the brown inner bag is waterproof. It is made of glue and is waterproof. The items in the bag will not get wet on rainy days, so you are not afraid of rainy days. (The black outer bag is not waterproof.) More details: a. Buckle design, safer. b. Reflective logo to ensure safety when riding at night.