1. Large capacity The front frame bag has plenty of interior space to store your mobile devices, charging cables, power banks, keys, card cases, gloves, sunglasses, flashlights, repair kits, etc. The internal mesh side partition layers have independently separated storage spaces. 2. performance This frame bag is made of polyester material and features seamless double zippers that provide a waterproof effect. In addition, this bag adopts a hard frame structure and also has a shockproof function. 3. Highly sensitive touchscreen: This phone case features a highly sensitive touchscreen window for TPU, suitable for phones under 7.2 inches. The front of the transparent window can block some sunlight, making the phone screen easier to see. The top tube cover is equipped with a hidden headphone jack, which is convenient for enjoying music while riding. 4. Ecofriendly materials: for durable EVA 3D hardshell design: made of sturdy EVA material and 3D diecasting process. Its stable shape makes it less prone to deformation and has a fashionable appearance. The outer material, carbon fiber, is very wearresistant and durable.