Magic Blackout Blind is a supercharged blackout sheet on a roll that sticks with static to any window. Simply roll out a sheet, place it on your window and Magic Blackout Blind will block out 100% of the light. Magic Blackout Blind is a statically charged polypropylene sheet. 50 square feet of Magic Blackout Blind is included in every roll in 10 perforated sheets that each measure 31.5 x 23.5 Inches. This is enough to cover approx. 5 standard windows. You can roll out as much Magic Blackout Blind as you need to cover a large window, or cut the sheets to any size to fit almost any window shape.