Eye Spy - Peep Hole Door Stickers Check who is lurking at your front door, through the view finder of a camera or gun with our hilarious Peep Hole Door Stickers! Simply align an Eye Spy decal with your security peep hole and let the amusement commence. An ideal novelty gift for house warmings, stocking fillers or Birthdays, Eye Spy Peep Hole Stickers are a great present for security conscious pranksters!