Non-woven Fabric+aluminized Film 【Cordless & Safe for Kids】Any height within 72 inches are prefectly accommodated thanks for the flawless Free-Stop design.Cordless cellular shades are easy to install and simple to operate. Just gently push up or pull down, you can pull the honeycomb shades to any position you want. ã€?00% Blackout & Privacy Protection】The cellular shade has a built-in aluminum foil coating inside. It can achieve 100% blackout effect for your room, ensure a good sleeping environment and provide full privacy. 【Noisy Insulation】Our honeycomb shades can also block UV rays and reduce noise, creating a comfortable living environment and ensure the privacy of your conversations. 【Thermal Insulation】Honeycomb blinds have a special honeycomb design, with a honeycomb diameter of 1.5'', which can prevent heat loss and save energy costs, keeping your room cool in summer and warm in winter. 【Inside & Outside Mount】The cellular window shades can be installed on the inside or outside of the window frame. For inside mount, blackout cellular shades require a minimum of 2 inches of window frame depth, and the width of the cellular shades needs to be 1/4" less than the width of the window. For outside mount, the cellular blinds needs to be 4" wider than the width of the window for better coverage.