This double sided window sticker highlights areas which required to be kept clear.The self adhesive face allows it to be applied to the inside of a glass window / door, then the "Keep Clear" message is seen from both sides.
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Material Options Explained
Below is a more detailed description of the material this particular safety sign is manufactured from.
Face Adhesive Window Sticker:Window labels have adhesive on the front, allowing them to be applied to the inside of the window and viewed from outside.