Serve hot and cold beverages using Dart J Cup insulated foam cups. They maintain the temperature of the beverage you're drinking. Dart insulated foam cups are Styrofoam single-construction to resist breaking. They're also lightweight and easy to hold. These Styrofoam drinking cups are stackable, saving space wherever they're placed. They hold 10 ounces. Compatible lids are sold separately. Simply dispose of them in the trash after use. They're suitable for home or business use.