Quote Originally Posted by bcr229 View Post
There's probably enough of an air gap between several sheets of paper towel that the temperature could drop on the top paper towel UNTIL something heavy - like your ball python - lies on them and they get compressed against the bottom of the glass.

Also, OP has said he's not using a digital thermometer or temp gun so he really doesn't know the surface temperature on that top paper towel.

Very Good Point !!