Compostable materials are designed to be composted and unfortunately that means they cannot be mechanically recycled. Although commercial composting systems are not currently widely available on a kerbside basis this is changing rapidly and so too is the rate of home composting. For further reading please see our blog post on Composting vs Recycling.
This is a great question and the answer is nuanced. They don't contain plastic as most people know it but they are made from bioplastic, which is technically a type of plastic. Grounded has a range of bioplastics that are made using our compostable Plantcell™ technology or our recyclable Sugarflex™ films and laminates.