Wintree Shades presents blackout roller blinds to block out the unwanted light, glare, heat, and UV rays to keep your space cool having full privacy. Perfect choice for home & offices. Our offered Roll-up window roller blinds are made using durable polyester blends along with sturdy hanging system to ensure their long-lasting perfection. The fabric is soft to touch along with user-friendly plastic pull-down chain for easy usability. Easily cleaned with just a few wipes. USEFUL TIPS: Mount Types: Inside Mount (Blind Width = Window Width - 0.2 inch) Outside Mount (Blind Width = Window Width + 4 inch (or more for better coverage)) The shade width is for total roller width including hardware, not for fabric width. Fabric is about 1.4 inch less than shade width because there is mounting hardware on each side which takes about 0.7 inch space on both sides. The offered blackout window roller sunshade comes with necessary installation brackets and mounting hardware for quick and easy installation; 1 x Roller Shade 1 x Plastic Cord/Chain 2 x Brackets (Can be fixed to the wall or ceiling) 4 x Screws 4 x Fishers