Naugahyde. Naugahyde is an American brand of artificial leather. Naugahyde is a composite of a knit fabric backing and polyvinyl chloride plastic coating. It was developed by United States Rubber Company, and is now manufactured and sold by Uniroyal Engineered Products, LLC, a privately held company.
Diuretics are substances that make you pee more, they make your body lose water. Beverages containing alcohol and caffeine are sort of accidental diuretics - that is, they're not drunk with the purpose of losing water but it happens anyway. Then there are substance that are taken with the explicit purpose of losing water.
Myths & misleading claims about caffeine as a diuretic: It seems to be common knowledge that caffeine causes dehydration, but this is a myth. The medical explanation given is that caffeine can function as a diuretic (a chemical / medicine that increases urine output) and thus depletes the body of water.