"Keep your coffees, teas, and cocoas piping hot and your juices and cocktails refreshingly cool! Create an airtight seal by simply placing your CV drink cover on any smooth-rimmed container. ËÇó Works on smooth-rimmed containers made of glass, plastic, stainless steel, ceramic, and wood ËÇó Protect beverages from insects, pollen, and falling leaves during outdoor dining ËÇó Guard against splatters in the microwave "