The Engine Ice 1/2 Gallon High Performance Coolant is a non-toxic, biodegradable antifreeze that is pre-diluted and ready to use. It is manufactured by Engine Ice in the United States and comes in a pack of 1 with a volume of 64oz. The product carries an unspecified length warranty, making it a reliable choice for automotive maintenance and cooling systems. Its high performance capabilities and eco-friendly nature make it a convenient and effective option for keeping your vehicle running smoothly.