Externally, it doesn't affect your cigars. What's important is the interior lining.
"When it comes to interior lining, the best material is Spanish Cedar. It's absorbent, so it regulates at 60%-70% along with your cigars, and beetles hate its bitter taste, so it discourages infestations. What's more, it will give your cigars a slightly spicy flavor - a taste prized by most cigar-lovers" (cigars4dummies.com)
"I drink a great deal. I sleep a little, and I smoke cigar after cigar. That is why I am in two-hundred-percent form." - Winston Churchill