What makes Coex bottles stand unique and outstanding from other normal usage bottles is that it gives an extended shelf life. The four layer protection is the main secret behind the success of the coex bottles. These type of bottles are generally large in size, which can be even more than double the size of common bottles.
The oxygen barrier layer helps in controlling the Oxidation process and also for longer shelf life and stability.
Co-ex bottles are generally available in customized shapes of finishing, however the standardized bottles also exist.