Discover this unique blackout roller blind, made of high-density black fabric with a thermal coating, offering total darkness and optimal temperature regulation for your living room, bedroom, or office window. Ideal for blocking summer heat and keeping winter cool while preserving your privacy. 1. Versatile, damage-free installation: This ingenious system allows for quick attachment to the window frame using clamps that fit rebates from 1.7 to 2.5 cm, eliminating the need for drilling. For a more permanent installation, it can also be mounted on the wall or ceiling with the included brackets, adaptable to various interior configurations. 2. Total blackout and UV protection: Thanks to its high-performance silver backing, this roller blind blocks up to 100% of outdoor light, ensuring absolute privacy day and night. It acts as an effective shield against harmful ultraviolet rays, protecting your furniture and floors from fading while ensuring immediate visual comfort. 3. Seasonal thermal regulation: The thermal design of this curtain helps maintain a comfortable room temperature year-round. In summer, it reflects solar heat to keep the room cool, while in winter, it helps retain heat, contributing to better energy efficiency in your home. 4. Safe and ergonomic mechanism: Equipped with a robust control chain, the roller blind adjusts continuously to precisely control the desired light level. The unit includes a child safety lock to prevent accidents, and the chain can be mounted on either the left or right side according to your preference. Material: Polyester fabric with thermal silver coating. Total dimensions: 35 cm wide x 170 cm high. Fabric width: 35 cm (corresponds to the control width). Color: Black. Method