Safe for children & Pets: Cordless windows shades is a kind of advanced mechanical device which removed the risk that may cause strangle to kids and pets, and offers a clean look. Excellent light blocking & Heat insulation: Blackout, just pull down the shades to darken the room, very suitable for nap and bedtime. The unique honeycomb structure allows air to be stored in the hollow layer, keeping the room at a constant temperature, and heat insulation. Anti-UV and heat insulation function effectively protect household items. Easy to pull down & up: These windows shades are very easy to pull down and up. To control the light in your room,simply lift up or pull down from the bottom, it will stay at where you stopped.