PRICES MAY VARY. 1【How to choose the correct size of blinds】How to choose the width: Please choose the actual width of the window, the actual width of the blinds will be reduced by 3/8 inch to fit the window. HOW TO SELECT HEIGHT: Please select a size ≥ the actual height of the window (NOTE: Shutters can only be installed internally, not externally, as the ends need to be stressed to allow for a no-drill installation). 2【NO TOOLS NON-DRILLING】The shutter adopts special mounting fittings…