Ice

Ice is a water frozen into a solid state used to chill foods and beverages.  Ice cubes are made by freezing in trays (and more typically in ice makers).  Decorative shaped trays can be found to make ice cubes in most any conceivable shape.  These cubes are usually used for making cocktails or even children's beverages.

3 to 4 standard size ice cubes = 1 cup crushed
10 lbs. = chills 1 case of wine