... the water inside ,them pour the beer ,the ice can make beer cold ,you can have cold beer ... dilution them.where ever your beverage is beer ,ice tea,soda,lemonade or other favorite,the frosty mug ... large opening on our wide-mouth bottles easily accommodates ice cubes, fits most water purifiers and filters, and ... temperatures from -135ºC (-211ºF) to135ºC (275ºF). Comes with a loop-top cap that won't get ...