AVAILABLE ONLY FOR USA & CANADA Instant Blackout for Windows 100% blackout guaranteed.  These blackout sheets are award-winning and life-changing. Designed and manufactured in Europe,  this patented technology uses nothing but static to cling to your windows. Simply put up as needed and remove again in seconds. Pack them for your holiday, grandma’s house or keep them at home. You can rest easy knowing restful sleep can be yours, anywhere. Forget Sticky Tape, Blue Tack or Pins (no suction cups either). These sheets leave no residue, mess or trace behind. They are perfect for travelers, holidaymakers, rental homes or those who hate mess!   Static Stick Technology. It's that simple.