Discover this blackout roller blind designed to offer perfect privacy and optimal thermal comfort. Made from high-density polyester, this blind effectively blocks outdoor light while regulating indoor temperature, perfect for bedrooms, living rooms, or offices requiring calm and darkness. 1. Fully opaque material: The polyester fabric ensures total blackout of daylight, creating a dark atmosphere conducive to rest or concentration, even on a sunny afternoon. 2. Dual mounting system: Installation adapts to your needs with two possible methods: drilling for maximum strength or drill-free via clamp brackets compatible with frames 15 to 24 mm thick. 3. Insulating performance: Thanks to its specific thermal coating, this blind helps keep rooms cool in summer and retain heat in winter, contributing to reduced energy costs related to heating or air conditioning. 4. Enhanced child safety: The product complies with current safety standards and comes with a chain fastening device that prevents the risk of accidents in the home for young children playing nearby. Material: Opaque polyester with thermal coating. Fabric dimensions: 55 cm (Width) x 120 cm (Height). Color: Dark Grey. Quantity: 1 complete roller blind. Mounting type: With or without drilling (15-24 mm brackets). Package contents: Roller blind, winding mechanism, chain, mounting kit, child safety device. Recommended use: Standard windows, patio doors (not suitable for skylights). Total blackout: This roller blind is made from high-quality polyester fabric specially treated to be completely opaque. It completely blocks sunlight, ensuring total blackout in your room.