You will receive 10 black plastic pump heads that are robust, safe and convenient and will allow you to create your own DIY homemade pump bottles. | The 20mm pump head fits standard bottles from 30-100ml (24.6mm/ opening diameter) and the tube length is 45mm, which can be cut to fit your bottle length. | The swivel switch and cap closure provide double protection for your foundation, so you dont have to worry about spillage. | Dispenses the right amount without dipping or pouring, avoiding messy clumps when pouring out foundation. | Suitable for use with different foundations, lotions, creams, serums and other skin care products.