【Durable Fabric】: Constructed of 100% polyester, these light grey window treatments boast durability and ease of cleaning 【Blackout Design】: Light grey blackout roller blinds for heat regulation, privacy, and light control to adjust room ambience 【Adjustable Height】: Includes chain connector for height adjustment and cord clip for added child safety benefits 【Versatile Use】: Roller blind appropriate for homes, offices, cafes, and buildings, providing versatile usage and functional style 【Easy Installation】: Choice of mounting with or without drilling using clamping brackets, fitting frames 1.6-2.5 cm thick