【NEW Cassette UPGRADE】Masterfully Crafted Square Cassette,Our design features a color-matched, matte aluminum with enhanced load capacity. Distinct from traditional open or round casings, it aligns seamlessly with window frames for a sleek, unified appearance." 【Classic Lift System Design】Our shades choose the classic lift system design, easy to operate. The upgraded lift system is sturdy and durable, pulls smoothly without noise. Equipped with a safety button to protect the safety of children and pets. 【Durable, High-Quality Materials】Made from 100% imported polyester, our shades are durable, anti-static, and dust-proof. The dual-layer weave balances privacy with light filtration, offering UV protection and lasting elegance for all seasons. 【Customize Size】INSIDE MOUNTING roller blinds require a minimum 2" window frame depth. Blackout roller window shades custom windows shades width need to be 1/2" less than window width, The length of the shades is equal to the length of the window. OUTSIDE MOUNTING roller shades for windows need to be 4 inches wider and longer than window width and length for better coverage.If you can't find the size you need on the page, please contact us and we will give you for a custom solution. 【Quality service】We will use the top logistics provider for delivery, and provide 12 months warranty service, if there is any problem with the product, please feel free to contact us, our most professional after-sales team will solve your problem by the best way. About us Our research, development, production and applications continue to focus on products for the blind and always pursue the highest principles of product quality and customer experience. To date, we have created products that serve more than 80 countries and regions and are committed to the ongoing work for the well-being of mankind. Product composition: Fabric: Polyeste Material of the body:aluminium alloy Other materials: aluminum Features: Energy saving, sound insulation, thermal insulation, light blocking Blocks direct sunlight, UV protection Protects privacy Classic lift system design: Smooth pulling without noise, equipped with a safety button to protect the safety of children and pets. Beautiful cover: The top of the product is fitted with a protective cover, to which we have added inserts made of fabric, so that it not only protects the fabric from dust, but also achieves the same colour as the fabric, making it more beautiful overall, including the bottom rail which is also hemmed for overall consistency Larger, stronger roll tube: the inside of the roll cover is made of 38mm diameter steel pipe, which is stronger than the 28mm used in other products, and the fabric will be more horizontal. For bedroom, living room, kitchen, bathroom, toilet, office, etc. Custom visors are available in widths from 12" to 86", with a maximum visor length of 96". Maximum area ≤ 10 square metres Important note: As this is a bespoke product, we do not accept returns or exchanges after the order has been placed, except for those specified in Amazon's return policy. Of course, you can return or exchange the product in case of faulty quality. Thank you for your understanding and cooperation.