Bar's Leaks SEALR-COOL 6oz Concentrated Radiator Sealant is engineered to quickly and effectively stop minor leaks and drips in your vehicle's radiator and cooling system caused by normal wear and age. This compact, liquid formula is easy to use and compatible with all types of antifreeze and coolant, making it a reliable solution for preventing coolant leaks and maintaining optimal engine performance. Designed for water-resistant protection, this radiator sealant helps fix leaks and restore cooling system integrity without the need for costly repairs. Each package contains five bottles, with each bottle weighing 2.5 lb and measuring 8 in. long, 2.4 in. wide, and 5 in. high, making it convenient to store and handle. Suitable for use on radiators and cooling systems, Bar's Leaks radiator sealant is trusted by automotive professionals and DIY enthusiasts alike for its proven ability to seal leaks and extend the life of your vehicle's cooling system.