Simply press the pump of sprayer to produce a more uniform spray and control the amount of oil when cooking.
The transparent bottle makes you know clearly how much oil is left.
And you can clean the bottle easily, just unscrew the lid and rinse it with some detergent & warm water.
Fill the sprayer with your favorite liquid, oils, vinegar, soy sauce, lemon juice, wine, etc.
It is widely used during salad making, cooking, baking, roasting, BBQ and so on.