Nightfall Blackout is an easy and highly effective way to blackout a room to help achieve a good night's (or day's) sleep. This blackout solution provides an 100% room blackout in seconds without any tools required. The adhesive grommet hooks make it easy to install on any smooth surface, providing a temporary no-drill solution (included). A. Panel can be installed horizontally or vertically across your window. Nightfall can also be hung in multiple configuration horizontally or vertically; whether you want to show some privacy or light. Thanks to is quadruple coated blackout fabric, the panel blocks varying outdoor temperatures, helping keep your room cool in summer and warm during winter months. Features. Both the material and system for Nightfall Blackout are lab certified 100% blackout. Get a completely blacked-out room in seconds. This blackout window solution is easy to install without causing damage or requiring any toolsSpecifications. Collection: Nightfall. Color: Charcoal. Size: 52 x 72 in.- SKU: MBRLL1540