Please be sure to measure your window correctly according to the instructions below. If you need additional assistance ordering your shades please contact us, email@example.com.If you would like to install the shade INSIDE of the window frame, measure horizontally, at the top of your window sill. Using the measurement, round down to the closest whole number. Your shade will arrive with an 1/4" deduction, to ensure a perfect fit. If you would like to install inside of the window frame, your window sill must be at least 1" deep.If you would like to install your shade OUTSIDE of the window sill, measure in the same place. Using the measurement, we recommend adding 4 to 5 inches to the width and length, to ensure full coverage. Your shade will arrive with an 1/4" deduction.All Linen Avenue shades are child and pet safe with a smooth CORDLESS operation that conforms to CPSC child safety guidelines. Hardware: End caps, simple snap-in top mount brackets (that fit for both inside mount and outside mount applications), and mounting hardware is included.