Balproof or Ballproof: How To spell?

The word Balproof is misspelled against Ballproof, an adjective meaning "Incapable of being penetrated by balls from firearms."

Ballproof has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings ba & proof which should not be misspelled with single 'L'
Wrong Spelling:  ba-l-proof 
Correct Spelling:  ba-ll-proof 
Find more incorrect spellings of Ballproof to spell right way.