No Cords to Tangle! Child & Pet Safe!, They filter light yet offer privacy, Made from 100% non-woven polyester fabric and are resistant to sagging and fading; Cell Size: 3/8”, To Operate: Simply Lift or Lower Bottom, Rail to Raise or Lower Shade, Easy to maintain and care for simply dust or lightly vacuum, Inside or Outside Mount, Hardware and installation instructions Included. This shade will fit windows 3/8” (0.95 cm) smaller and ½” (1.27 cm) wider than stated size. This actual shade is ½ “ (1.27 cm) narrower/smaller than stated size.