Understanding Compostable PLA Cold Cups(https://www.shenglinpla.com/product/compostable-cold-cups/): PLA Material: Compostable PLA cold cups are made from Polylactic Acid, a biodegradable and renewable plant-based polymer derived from renewable resources such as corn starch or sugarcane. This material offers a sustainable alternative to traditional petroleum-based plastics. Cold Beverage Service: Compostable PLA cold cups are specifically designed for serving cold beverages such as juices, iced coffee, smoothies, and soft drinks. They maintain the desired temperature of the beverage while providing a durable and leak-resistant container.