ChineOn Cycling Bike Bicycle Front Tube Saddle Bag for Touch Cellphone Samsung Galaxy S3 i9300 Material: Material:600D polyester,diamond PU,Transparent PVC Dimension : 18cm*7.5cm*9cm Window size: 8.5cm*11.5cm With a bag cover for large-area transparent PVC cell phone pocket, can support cellphone with screen upto 4.8 inch (Samsung Galaxy S3 i9300) With special clear PVC window designed for mobile phone, can easily control any phone with touch screen Both sides of the reflective strips to ensure your safety