We offer a large selection of Styrofoam Cups & Lids. You can search many types of Styrofoam Beverage Cups and Styrofoam Cup Lids. Styrofoam beverage cups is an insulated cup hold hot or cold beverages. One-piece construction reduces chance of leaks. Styrofoam beverage cups have a lift-and-lock design for easy opening and closing. Vent allows steam to escape so that cup retains its rigidity.