upgraded:The latest upgraded Air Pump has removed the built-in spring, It won't pollute the foundation and your face when the springs rusts. Water drop cover design, easy to pull out the cover.Exterior Using electroplating production process,Never fade, the quality is very good. Sanitary and convenient:No more contaminating your foundation when dipping a Q-tip in,Distributes the ideal amount without the need to dip or pour,Avoid messy clumps when pouring your foundation out.you need to do is press it lightly and dispense as needed, minimizing waste. Perfect Size: Match perfectly for Estee Lauder DW Foundation bottles,Compatible with MAC bottles, Clinique Superbalanced Makeup Foundation Bottles,Foundation Maybelline Fit Me Liquid bottle Makeup ,No need to trim the straw by yourself! You can install it directly. Package included: 2PCS Replacement Press Cover Air Gold Pump After-sales guarantee:Committed to your satisfaction. If for any reason you are not satisfied with our products, please contact us promptly! Note: This is a compatible spare part for reference only.compatible with Estee Lauder Double-Action Foundation Cream (Gold) Foundation Pump Operating instructions: Remove the cover of the pump first; Screw the pump onto the bottle; Before using the foundation for the first time, press the foundation pump several times; Need to pump out the required amount to reduce wastage of liquid foundation Product packaging: 2 x basic pump