Crown Seal Public Company Limited has researched and developed new raw materials to produce plastic caps. The caps are produced with current raw material mixed with 30% of Biobased plastic to be part of reducing environmental problems. The caps produced include Aseptic cap for PCO1881 bottle and Drinking water caps (29/25 Closure). In the future, there are plans to expand to other types of caps and increase the amount of Biobased plastic used in the production.