DESCRIPTION Strap type: Adjustable Fabric material: PVC Durable and waterproof. Our bike bag is made of high-quality PVC material and features double zippers to prevent water from getting in. It also includes a sunshade for rainy days. TPU Touchscreen. The 0.25mm thick TPU touchscreen on our bike frame bag is highly responsive and crisp. It's easy to access your phone screen and view maps while cycling. The sun visor is especially useful in rainy weather. Humanized Design Our bike frame bag features a hidden headphone hole, allowing you to listen to music and make phone calls while cycling, providing you with entertainment flexibility. Sufficient Capacity Our bike bag provides enough space for everyday riding accessories such as a cell phone, sunglasses, power bank, gloves, mini pump, keys and wallet. Easy installation. 3-piece mounting brackets ensure easy installation and removal. They are adjustable and fit most bikes. This design is not only comfortable but also strong.