Product Details: Brand: ROCKBROS Product Name: Bicycle Bag Capacity: About 2.9L Weight: About 127g (4 straps included) Material: Nylon Color: Black Suitable for: Road bikes, mountain bikes, folding bikes, etc. Features: Humanized design: The slim body of the triangular bicycle bag fits the frame, which can reduce the problem of the bag rubbing against your legs while riding. Convenient hydration: A water bag can be put into the bag, and the water pipe can be cleverly put out of the bag. Cyclists only need to use the water suction pipe to refill water anytime and anywhere to meet their hydration needs. Quick access to items: The side of the bicycle bag is designed with a large zipper to allow quick access to items with one hand. Items needed for riding can be easily stored and taken out. Safety warning: The LOGO brand uses high-gloss reflective material as a reflective warning to improve riding safety. Detailed design: Made of wear-resistant checkered nylon fabric, it not only looks fashionable but also has excellent durability. The large capacity design of about 2.9L can easily accommodate bicycle supplies and meet your various travel needs. Paired with a smooth zipper, it can be opened and closed smoothly.