Eclairs Double Lair Toffee refers to a specific type of toffee candy known as Eclairs. Eclairs are a popular confectionery item that typically consists of a caramel-flavored outer shell and a soft, creamy filling in the center. The Double Layer in Eclairs Double Layer Toffee suggests that it has two distinct layers. The first layer is the caramel shell, which is usually firm and provides a sweet and chewy texture. The second layer is the Eclairs Double Lair Toffee is often made with ingredients like condensed milk or butter to create a smooth and velvety consistency.