HTS Code 4101.90 - Butts, bends, bellies and split raw hides and skins of bovine "incl. buffalo" or equine animals, whether or not dehaired, fresh, or salted, dried, limed, pickled or otherwise preserved, and whole raw hides and skins of a weight per skin 8 kg but 16 kg when simply dried and 10 kg but 16 kg when dry-salted (excluding tanned, parchment-dressed or further prepared)