Clear BioCups are sustainably sourced from managed plantations with a bioplastic lining made from plants, not oil. They are the only cups certified commercially compostable to AS4736 in Australia and New Zealand. Note: they are cold use only.Made from IngeoÔäó, a plant-based bioplastic. Products made from this material are perfectly clear and sturdy.They perform excellently when serving cold food and drinks ÔÇô smoothies, juices, fruit salads, muesli, parfaits etc.The carbon footprint of producing IngeoÔäó bioplastic is up to 75% smaller than conventional plastics such as PET.These cups are the ONLY clear bioplastic cups certified commercially compostable to Australian AS4736 standards.Bioplastics must be stored out of direct sun and below 35┬░C. If stored correctly, they have a 12-month shelf life.Bioplastic does not have suitable oxygen barrier properties to store food for more than a few days. Our bioplastic cups and lids have a 12-month shelf life from date of purchase.