With the Emulstir™ Dressing Mixer, you can whip up healthy, homemade salad dressing in no time. Simply fill this emulsifier and mixer with your favorite ingredients—olive oil, apple cider vinegar, mustard, lemon and herbs to name a few—and pump the plunger to smoothly and evenly blend your dressing. A ridge prevents dripping while pouring. Close the cap for easy storage in your refrigerator. Made of BPA-free plastic, the Emulstir™ Dressing Mixer measures 7.5h x 2.9"diam. and is top-rack dishwasher-safe.