This Lotion Pump dispenses a high-volume dose with every pump. Each pump dispenses a 2.0 ml product dose. This high-volume pump is ideal for dispensing larger quantities of lotion, shampoo, conditioner, soap, and other personal care products. The glossy black lotion pump is made from a high-quality polypropylene (PP), which has a high resistance to chemicals. The 2.0 mm tri-seal gasket is a black nitrile rubber O-ring helps ensure the product is sealed tightly and prevent leaks. This pump cap has a 28/410 thread and pairs with the 500 ml Aquarius Syrup Bottle.