1. Large capacity: the bicycle frame bag is large enough to hold most of your tools or necessary items. It is small enough to sit under the frame of your bike. Spacious storage bag for phone, headphones and money clip, while the other large mesh pocket can hold keys, groceries and more. 2. ZIPPER DESIGN: This mountain bike frame bag is designed with zippers on both sides that close tightly to create a waterproof seal. They are easy to open and close to provide quick access to everything you need. 3. DURABLE BIKE BAG: The bicycle handlebar bag is made of high quality Oxford fabric, which is environmentally friendly, waterproof and durable. It can handle daily use in most weather conditions to keep everything inside . 4. Easy to install: 3 wide, adjustable Velcro straps ensure a stable and firm installation, a durable design with large zip for opening the mouth for easy access, a universal angle that is suitable for most triangular frames of bicycles, and it does not interfere with your water bottle on your bicycle frame.