Double-layer vacuum insulated 304 stainless steel and food grade organic silicon materials. it fits most 12-ounce slender cans. Keep your drink at the optimum temperature. With an extra layer that keeps your drinks 20x colder than a standard neoprene can cooler, so that your last sip has the same refreshing kick as the first. The can cooler is very easy to use. Just unscrew the lid of the cup and put in your favorite beverage and tighten the lid. Can be a gift for friends, family, colleagues, and so on. 6 7/64" H x 2 53/64" D.