The dosing pump is made of plastic and is presented in white and black. It has a left-right blocking  mechanism.. This product is designed for blockage of cosmetic bottles. Suitable for dosage and convenient use of liquid cosmetics of dense texture: cream, shampoo, liquid soap, shower gel, lotion, etc. The standard dosage with one click is 1.8-2 ml. To choose the right set pay attention to the diameter of the neck - 28/410.