It fits tightly into the mouth of the bottle, allowing you to easily adjust the amount you want to put. It prevents the liquid from dripping during casting. It is made of plastic material and is resistant to falling and breaking. Thanks to its special design at the bottom, it allows you to place it tightly in the bottle. If you spend a lot of time in the kitchen, you're probably tired of bottles with sticky exteriors. Thanks to this small device, your hands will stay clean - your kitchen floor will not be dirty with substances leaking from bottles. Size: 7cm. Diameter: Approx 3-5cm