The Flo-Trol™ Vacuum Cup is an innovative product that lets the person you care for drink without having to sit up. Its unique design features an air release button that lets them release a small amount of liquid at a time. The cup also won't spill, even when on its side. Ideal for people with Parkinson's, ALS, or who are recovering from surgery. 8 ounces. Clear. Dishwasher-safe.