Just two ounces of Stan's Tire Sealant can repair up to a 1/4" hole instantly. Stan's Tire Sealant is the number one tire sealant on the market, and for good reason. It can be used in a converted standard bike tire or a tubeless tire. Stan's stays liquid for two to seven months on average. And it has a special anti-freeze agent that allows the sealant to be used in temperatures as cold as -30 degrees. So, for proven performance, get Stan's NOTUBES Tire Sealant.