Bed Bugs Are On The Attack!
https://mag-wiki.win/index.php?title=How_Do_You_Know_If_You_Have_Bed_Bugs_-_Discover_The_Indications_Of_Bed_Bugs
You will know you are getting a pad and not a protector if it is thick, and made from natural latex, wool or down. You'll have made a large financial investment in your bed mattress so it really does make sense