Since we check the spray effect at the factory, there may be a very small amount of water in the suction hose during the first use. For first use, quickly press 5 times to expel air. If leakage occurs, ensure the cap is tightened and do not invert. 10 pre-printed label stickers are included: olive oil, vegetable oil, coconut oil, avocado oil, canola oil, soy sauce, corn oil, peanut oil, grape seed oil, vinegar.