Bicycle Triangle Bag, Large Capacity, Frame Bag, Lightweight, Storage for

• [Bag size]: 20*18.5*4CM. • [Material]: Oxford Waterproof Although it is waterproof, please do not put it in water. • [High-quality materials]: Made of high-quality nylon, it can last a long time, so you don't have to worry about it being damaged. • [Easy to install]: Easy to install with 3 fixed points and Velcro straps.Can be used with most bicycles using Velcro. • [Excellent storage capacity]: You can securely store your smartphone, keys, wallet, and various other small items while cycling.