Why do seals have thick skin?

Well the sea lion is most commonly known to have long fur to thefact that cran'(uncleaned herring) can attack them in a such violent way. So silly poono's military treehouse(remember that?) can find your cheese?

Regards,

egg-fapping,flabbing,flapping frickin' chicken gizzard, smelly gas emitting chicken leg's gizzard.

Seeya, Crandenog123 ;)