【Safe for Children&Pets】 Cellular shades feature the cordless operation making them perfect for child and pet safety. This window blinds will stay at whatever position you stop. The bottom aluminum rail is weighted and rigid so it hangs flat and prevents from wind blowing..【Durability】All of our blackout shades featured with high-quality fabrics are resistant to fading and will maintain their crisp, neat pleats over time. The fabric of our cordless blinds is durable and soft to the touch..【Multiple Functions】 The unique honeycomb structure allows air to be stored in the hollow layer, providing ideal insulation and improving energy efficiency. Stay cool in summer and warm in winter. Blackout blinds absorb noise and provide privacy, creating a more quiet, tranquil room, just pull down the shades to darken the room, very suitable for nap and bedtime..【Easy to Install & Clean】Installation brackets, mounting hardware, mounting video and instructions are provided for quick and easy inside or outside mount. Cleaning recommendation: Use a small cloth, a feather duster or a vacuum cleaner with a soft brush to clean it up..【2 WAYS OF MOUNT】 For an inside mount, please order a window shade that is at least 1/4 inch smaller than the width of your window. For an outside mount, please order a window shade that is at least 2-4 inch wider than the width of your window. For any questions about the size, feel free to contact us.