Product details:

Unique Honeycomb Window Shades construction offers insulation and sound absorption. Each cordless cell shade comes with a matching PVC head rail and bottom rail. Offer excellent insulation problems and the block out the light. Cordless, so it is safe for children. For inside mount, please order a shade that is at least 1/4 inch smaller than the width of your window. If you need inside mount and your inside window width is 35 inch, please order a shade less than 34 3/4inch.