New BarrierGuard Enhance now keep your Beverage Fresh and Fizzy Aditya Panwar April 06 / 2022 Tags PET Beverages alternative beverage packaging Read more about New BarrierGuard Enhance now keep your Beverage Fresh and Fizzy Ring Container Technologies is shaping a new frontier for smaller size carbonated PET bottles. Energy shots and beverages with Enhance™ technology are customizable into unique shapes, creating on-shelf brand differentiation.