The Sleeve Covered neck of the bottle when passed through the tunnel, the right amount of heat applied on the sleeve wraps the neck of the bottle firmly.
The heat shrink tunnel package is an engineering marvel, we can customized it for you in your demands. Equipped with a TEFLON Belt make sure the small solid alcohol can go through the tunnel safe. It was truly designed for user safety and convenience. And it runs most plyolefin and polythylene films.