[Light Filtering Material]:Joydeco 23 inches wide mini zebra blinds white Sheer Cordless Shades is made of 100% polyester and sheer mesh,also known as transitional shades. They creating a zebra-like pattern. While raising you have the option to align the front and back segments for privacy or to allow some light to filter through. Get two for one light filtering and privacy control in this dual-function window treatment with the look of a horizontal blind and easy operation of a roller shade. [Safety Device]:Our shade blind with chain pulley, it's child and pet-friendly. In order to prevent injury a child or pet gets tangled in the chain,we have a safety device to looped bead chains and cords to the floor or wall permanently anchor continuous,Make tasseled pull cords as short as possible.Eliminate any dangling cords.Keep all window cords well out of the reach of children. Note move all cribs, beds, furniture and toys away from windows and window cords. [Hardware Included]:L-brackets,C-clamps,Screw,connectors,chain pulley all of these accessories were packed well on the top and bottom packing box.Check your package to make sure all materials required when u received at the first time. [Inside Mounting]:All window zebra roller sizes are based on the blind TOP Header width and have [W 1/5 inch] deduction for perfect fitting. Please measure the exact window opening size for inside mounting.Mark bracket drill hole locations at the top of the frame.Drill the brackets securely into the maked place,mount the shade in,secure the chain tensioner to the side of your window.Operate the shade by simply pulling on the looped chain. [Outside Mounting]:Joydeco sheer Horizontal Shades attach over the window on the outside of the window casing or frame. Since there are no gaps, this type of installation is best for privacy and for preventing light from shining into the home. For those with shallow window casings, it might prove to be the only option.