When your bottle's pump stops simply attach the pump booster to the base of the tube and put it back into the bottle to continue pumping out all the contents of the bottle. • Boost trapped lotion from the bottom of bottles • Between 10% & 27% of lotion is trapped at the base of pump bottles. • Eliminates struggle to retrieve the trapped lotion • On average saves 1 lotion bottle for every 5 used • Works with more than 95% of hand & body lotion pumps • Eco-friendly by eliminating 20% of bottle purchases • Reusable & Dishwasher Safe