These 7" PSM Knives are made from quality plant starch material resin which is produced from corn and potato starch. PSM cutlery can be used to serve both hot and cold food items and is water and oil proof to give customers a quality dining experience. FDA approved for food contact, PSM cutlery is not compostable or biodegradable and consists of 80% plant starch materials such as corn, wheat or potato and 20% polypropylene materials. Durable and stylish, these knives can withstand temperatures up to 212° F (100° C). Matching Cutlery: Forks (PWF-7), Spoons (PWS-7), Soup Spoons (PWSS-7), sold separately

What is Plant Starch:
PSM or plant starch cutlery is composed of plant starch material resin which is produced from corn and potato starch. PSM is a great renewable resource but is not compostable or biodegradable. Plant products are made from a renewable resource which means that they can be grown again and used to make more quality cutlery in a more sustainable way.