The Permatex 64040 High Temperature Sleeve Retainer is a 36ml (1.22 fl oz) tube designed to securely hold gaskets and seals in place, even at high temperatures. This product is suitable for automotive applications and provides a reliable solution for sealing and preventing leaks. The package includes one sleeve retainer, making it a convenient and essential tool for car maintenance and repair. With the Permatex brand reputation for quality and the included California Prop 65 Warning, this product ensures durability and safety in automotive use.