The Caynel Mini Fridge is an eco-friendly "green" product, cooling and warming using advanced semiconductors that are free of CFCs and refrigerants. Enjoy the many benefits of the cooler/warmer, while protecting the safety of the environment. Its 5-liter capacity can keep up to six cans. It is insulated, ensuring that your food and beverages, stay cold, making this product great for use in a car, home, boat, office, or any other mode of transport.