【Double Check Before ship,Secure Packaging】 ----------------Features----------------- Our technology provides instant protection to all engines, new and old. Optimizes engine temp, prevents freezing, PLUS protects parts from buildup & corrosion. While ordinary antifreeze+coolant only manages 2/3s the job, Prestone’s Total Protection handles the complete job. Designed to last and protect vital engine parts for 10 years/300,000 miles. our best advancement in cooling system parts protection that protects against rust, corrosion, scale, buildup and clogging of all cooling system components. Ready to Use formula. Perfect for small volume top-off or complete drain and refill of the cooling system.