Plastic lotion pumps, one of the most popular dispensing methods for viscous (thick liquid) products in the personal care and beauty industry, come in all shapes and sizes. When used as designed, pumps dispense the right amount of product time after time. But have you ever wondered what goes in a lotion pump to makes it work? While there are hundreds of different designs in the market today, the basic principle is the same, and how they contribute to the overall functionality of pumping the product from the bottle to your hand. http://www.finspotglass.com/cosmetic-plastic-packaging/cream-container/