Bicycle Magnetic Lid Top Tube Bag Waterproof Bicycle Front Frame Bag Bike Frame Bag for Mountain Road Bike. Features: Complete Waterproof Design, Convenient One-Handed Opening, Slim Edge Design, 3D Shape Protection, Streamlined Appearance. Specification: Origin - Mainland China, Material - TPU, Size - about 24.5cm x 11cm x 7cm, Net weight - about 181g.