Free-Stop Custom Cordless Blackout Roller Shades

[100% Blackout]: Made of 100% polyester material with reinforced thermal insulation coating, these fabrics feel soft and smooth. They are free from burrs, resistant to wear, and easy to clean. Our blackout blinds block 100% of sunlight and UV rays. The thermal backing reduces heat loss and cold transfer through windows in both winter and summer, helping to lower your energy bills. [Free-Stop System]: The cordless design is safer for children and pets. They feature a robust spring-loaded mechanism that has passed 5,000 times of lifting and pulling tests for each blind. You can smoothly stop the shade wherever you want. [Upgraded Valance Design]: The Valance is made of high quality aluminum alloy and is designed to coordinate with the fabric's color for a clean and elegant appearance. The design of the baffle plate to hide the roller shutter mechanism is both aesthetically pleasing and prevents dust accumulation, keeping the blinds clean for a long time. [How to choose right size]: To e