Cork pop beverage cup features double side walls that are liquid filled with freezer gel and neoprene base for easy grip and no tipping. Simple to use- place cup in freezer for a minimum of 4 hours before use and it will keep your beverage chilled for up to an hour. Great non-diluting alternative to ice; also great for cocktails, frozen deserts and chilled appetizers. Beverage cup is made of stainless steel with a silver finish and black base. Individually fitted in protective packaging