appropriate lids are comprised of unbleached plant fiber, kraft paper or PLA. They meet ASTM benchmarks for professional composting, and therefore are developed to scale back waste and provide a secure, non-toxic https://www.zidanpackaging.com/products/zidan-eco-cups--10-12-16-22oz-compostable-paper-cups-suitable-for-hot-and-cold-drinks-double-layers-with-different-textures-pe-lining