3-in-1 deisgn 100% leak proof works with all 12oz-16oz cans The Hopsulator Trio was made for ice-cold sips, until the last drop. It has our patented 3-in-1 technology: fitting 16oz cans, has a freezable adapter for 12oz cans and includes our BevLock™ lid to convert it into a 100% leakproof tumbler. It also features our Push-Lock™ technology so you can easily insert and remove your cans without unscrewing the gasket, our BevGuard™ insulation for keeping your drink ice-cold and our signature non-slip base.