Artificial or natural flavours can be utilised. Fruit juice, high-fructose corn syrup, sugar, sugar substitutes, or any combination of these might be used as the sweetener. Caffeine, colourings, preservatives, and other substances are sometimes added to soft drinks. Soft drinks can be served room temperature, chilled, or over ice cubes. They come in a variety of container types, including as glass, plastic, and can bottles.