I make the windowsill protectors for many sites on the internet except for Dr's Foster & Smith.
They say "UNLIKE THE COMPETITION, YOU CAN TRIM OURS WITH A SCISSORS".
That's right. You can not trim mine with scissors, mine is 400% thicker.
BUT you don't need to to trim, if a standard size isn't for you, I can create a custom shield for you!
Need a Custom Size? Click here