Handy Bean reminds people of decreasing the use of plastic bags, and its PLA (Poly Lactic Acid) material could be compostable by nature. The bean symbol means that more plants are the solution against the greenhouse effect. The storage of plastic bags in the Handy Bean encourages reuse. And it is designed for a better grip and less fatigue while carrying mor than one bag due to its inner groove that accommodates and holds handles of bags. PLA material of this product could be customized to adjust functional properties, like far infrared , high strength or anti-thermal property of biomass composites processing technology, ect.