WATERPROOF MATERIAL --- Made of PU leather with insulated inner layer, this bike front bag is waterproof, wear-resistant and durable enough to ensure long-period service time. Overall dimensions: 21 x 11 x 17cm / 8.3 x 4.3 x 6.7 inches, roomy capacity makes it possible to store a cell phone, map, wallet, gloves, tools or umbrella. What's more, you can carry lunch box in it conveniently. TOUCHSCREEN PHONE POCKET --- Adopts Transparent TPU film, touch sensitive, high resolution, you can operate your mobile phone easily while cycling. (The fingerprint recognition function cannot be used when phone is put in.) 3 USING METHODS --- (1) When attached on the bike handlebar, it's a stylish bike handlebar bag. (2)With the adjustable shoulder strap, this canvas bag can be used as a shoulder bag / corssbody bag. (3) With the insulated layer, it's also a perfect lunch bag which can help keep things inside cool or warm. EASY INSTALLATION --- Adopts three-point Magictape strap for quick release & installation, this waterproof bike bag is suitable for most kinds of bicycles.