The Westmark vinegar-olive oil sprayer is made of plastic and stainless steel. The set consists of two sprayers that are designed to precisely add the right amount of oil and vinegar. This way, you can use the vinegar-olive oil sprayer to grease pans and baking dishes, but also to sprinkle salads. With the Westmark vinegar-olive oil sprayer, you will never add too much vinegar or oil to your dish.