Whip up your own healthy dressings in seconds and store them in the refrigerator with this mixer. Simply fill the BPA-free container with ingredients like vinegar and oil, press stirring cork into vessel and lock, then unlock puller and squeeze to emulsify. Measurement markings on the outside of container help you achieve the perfect mix of ingredients. The spout is designed to eliminate drips down the side. The Emulstir easily comes apart for quick cleaning in the dishwasher.