High-sensitivity touch screen function: Transparent high-sensitivity TPU case allows you to use your phone without taking it out of the case. The TPU window measures 18 x 9 cm. So our cases are suitable for most smartphones. Waterproof. Our frame bike bags are made of waterproof materials: EVA and PU. So this handlebar bag is hard-wearing, durable and built to last. It provides good protection for the contents of the bag. Please don't worry that the bag will be deformed after use. Large capacity: 20 x 10 x 9 cm. This top tube bag is big enough for riding. You can put mini pumps, smartphones, wallets, keys and more in it. Easy to install. The bag attaches very securely to the frame with Velcro fasteners. When you leave the bike, it needs to be easily removed. If the Velcro fastener is too long for your bike, you can cut it yourself to adjust the size. Details: The pocket has a headphone jack for listening to music. The screen protector blocks sunlight so you can easily see your screen.