Superior rigidity provides a great experience for cold beverages. A sustainable solution for cafeterias, food trucks, events and offices. ProPlanet[TM] Seal because it meets ASTM requirements for commercial compostability. Meets the ASTM standard D6868 for commercial compostability and are Cedar Grove compost facility accepted. Made with at least 64% renewable resources. SFI[R] Certified. Not suitable for backyard composting.