Description: DURABLE EVA 3D HARD SHELL DESIGN: This Bike phone Bag made of tough EVA material with 3D die-casting process. Solid shape make it not deform easily and look stylish, the Outer material Carbon fiber can be highly abrasion proof and durable. What’s more, when the bike bag is dirty, only need a wet towel, keep the bag clean all the time EXCELLENT WATERPROOF PERFOMANCE: Our Bike Frame Bags have excellent waterproof effect with polyester, seamless double zippers, which can protect your items dry even in rainy day and extreme environments. Besides, this bike bag also shake-proof with it’s hard frame structure HIGH SENSITIVE TOUCH SCREEN: You can easily operate your phone such as GPS operation, using maps, answering the phone with TPU transparent touch screen,No need to taking it out while riding. There also hook and loop fastener inside,so don’t worry your smart phone will fall down. Otherwise The hidden earphone hole allows you answer the phone or enjoy music freely while cycling LARGE CAPACITY: Big room design is enough to storage your daily riding items, such as cell phone, sunglasses, power bank, battery, gloves, energy gel, small mini repair kits, keys, wallet and so on, mesh compartments on two sides are designed to classified storage. Perfect compatible with cellphones. EASY TO INSTALL: The 3 hook and loop fasteners system makes  bike bag install or release easily, They are long enough for most most types of bikes, the length can be adjusted according to your need. This design is not only convenient, but also can be grasp your bike tightly to prevent shaking. Even when riding on rugged mountain roads, our top tube bag can remain stable   Brand Name: STEVVEX SportModel Number: ST90SP445SSW Material: TPU + EVA Hard Shell + PUSize1: 20.5x10.5x11cmSize2: 180 * 105 * 83 MMCapacity1: 1LCapacity2: 0.5LFeatures1: rain proofFeatures2: compression resistance and fall resistanceFeatures3: Silica gel anti-slip VelcroFeatures4: Waterproof double zipperFeatures5: Large capacity