Plastic Effortlessly mix salad dressing with the push of a button Easy-fill container, 8-ounce capacity, bpa free Great for all types of dressings, marinades and vinaigrettes Non-drip pour spout and air-tight cap for storage Requires 2 aaa batteries, not included The Dressing Whiz is an elegantly effortless way to make and serve homemade salad dressings or just give your store bought dressing a more thorough blending. With the push of a button, the aerating propeller quickly and quietly blends your dressing. The Dressing Whiz is great for all types of dressings and marinades and is ideal for simple vinaigrettes that separate easily. The easy-to-fill container features convenient measurement markings, a non-drip pour spout and an airtight cap for storage. BPA free, 8-ounce capacity. Takes 2 AAA batteries, not included.