Comes with multiple strong mobile phone-friendly magnets that make sure it sticks on to the steel tank until you remove it yourself. Touch screen friendly and has perforations at the back that helps in ventilation. It is perfect for navigating motorcycle trips with your phone. This pouch can also be strapped on top of a tank bag when required. Approx. dimensions: 21cm high x 12cm wide Fits phones with dimensions up to 160mm x 85mm.