The stainless steel pour spout with airtight cap is not only perfect for the bottle, it also perfectly keeps bugs/dust out, keeping the oil bottle clean and hygienic and safe for us. The seal is so good that everyone can pour and dispense oil without leaking. Great for dispensing wine, cola, cooking oils, condiments and vinegars.The spout is made of stainless steel, food grade silicone, 100% rust free. Not only can the quality of wine, vinegar, condiments, cola, edible oil be guaranteed, but also the good quality can be used for a long time, which can save money.