Jia Inc. Family Belongings Hulu Pas De Deux Oil & Vinegar Set Suitable for liquid seasoning like oil, vinegar or soybean sauce. Simply remove the knob of the bottle to pour out the contents; after use just close the knob to keep the contents from becoming stale. Refill by the PE funnel (included) Use warm water and mild detergent for cleansing. Dishwasher safe. Dishwasher safe.