This is a 3/4 ounce bottle of Bob Smith Industries ULTRA-CURE Medium CA Tire Glue. ULTRA-CURE Tire Glue has been rated by many racers as the best CA for use on tires, and has a claimed to dry in 5-10 seconds. Ultra-Cure has a thickness in-between BSI?s Insta-Cure and Insta-Cure+ blends, with a viscosity of 80 cps. ULTRA-CURE includes BSI?s pin cap and an applicator tip.