Savannah Supplies Inc. Products - Savannah Supplies Inc. - Biodegradable Reusable Mug, Squat, 9 oz., White - Sold As 1 Each - Environmentally friendly mug is made from CPLA corn plastic. - Fully biodegradable and compostable in commercial composting environments. - Dishwasher and microwavable safe. - Can tolerate heat up to 212&deg; F. -