Truly 100% Sunlight Blocking: This blackout blind uses thickened Oxford cloth. The silver coating on the back of the blinds reflects sunlight, blinds window roller no drilling and greatly reduces incoming heat, making it perfect for keeping your home cool and comfortable during the summer months.This sturdy design not only ensures complete darkness in any room, but also adds a layer of insulation. Big Size: Portable blackout blind can be cut to fit windows of any size or shape you need. A Cutter roller blinds, Cutting any Size Shape for Bedroom and Outdoor, they are great for offices, hotel rooms, rented flats, and even travel caravans. Convenient: Blackout blind with Self Adhesive Fasteners and Ruler, Cutter. These No drill blinds come equipped with 30 pairs velcro strips, ensuring they can be securely attached to any window frame without the need for tools or permanent fixtures. Simply measure, cut, and connect, and you can quickly install it. These adhesives are easily removable and leave no residue, ensuring no damage to walls or window frames.This simple installation and removal process is perfect for it a bedroom, a flat, a campervan, or an office, whenever there exists a requirement to block out sunlight, this no-drill blind stands as an ideal option. Diverse Applications: Users can easily cut the blackout curtains to specific sizes or shapes, perfect for non-standard windows often found in older buildings, ensuring a perfect fit every time.No drilling required, skip the drilling. There's a bag, they are simple to pack into your luggage and can be used in a hotel room, office, rented flat, or even a camper van. After-Sales Service: We adhere to the attitude of quality first. More patience can also earn more love. If there is any problem about the usage of product or if product is damaged, please contact us, we'll solve your problem as quickly as possible.