Polyester ã€?00% Light Blocking and UV Protectionã€?â€?The special blackout lining attached inside the honeycomb material enables this cellular roller shade to block 100% of light and harmful UV rays, allowing you to enjoy complete privacy and darkness at any time. This curtain is perfect for bedrooms, living rooms, nurseries, media rooms, offices, classrooms, and more, blocking unwanted light to ensure you sleep soundly and enjoy the best viewing experience. 【Cordless and Free Stop Systemã€?â€?The smooth and quiet cordless sliding spring system not only looks stylish but also eliminates the risk of tangled cords, creating a safer environment for children and pets. It can stop at any position you desire, simply by touching it with your fingers to raise or lower it easily. Both the top and bottom rails are made of aluminum, making them heavy and sturdy enough to lie flat and resist wind. This curtain is both practical and safe. 【Energy Efficient and Insulatingã€?â€?Our honeycomb shades feature a faux honeycomb design that provides excellent insulation, helping to maintain a constant indoor temperature and potentially reduce your energy costs. This eco-friendly product keeps your home, RV, classroom, or office cooler in the summer and warmer in the winter. 【Active Noise Reductionã€?â€?This cellular shade has sound-absorbing properties that enhance the comfort of your space. They help reduce external noise, creating a quieter and more peaceful indoor environment, perfect for bedrooms, living rooms, media rooms, offices, classrooms, libraries, cafés, and more. 【Durable and Low Maintenanceã€?â€?This cellular roller shade is made of high-quality, durable materials that can withstand daily wear and tear. The easy-to-clean fabric requires minimal maintenance, ensuring your curtains remain in optimal condition for a long time.