Collins Mix, often referred to as a mixer, is a pre-made blend typically used in cocktails, particularly in the classic Tom Collins. This mix generally combines lemon juice, sugar, and carbonated water, offering a convenient option for creating refreshing and well-balanced drinks without the need for separate ingredients.

When used in cocktails, Collins Mix provides a consistent tart and sweet base, enhancing the flavors of spirits like gin or vodka. It is a popular choice for home bartenders and professionals alike, streamlining the cocktail-making process while maintaining the quality and taste of traditional recipes.