Husk'sware Biodegradable Healthy Rice Husks Plant Fiber Coffee Mug with Handle (Blue) Made from natural resources plant fiber-Rice Husks Come with food grade matching silicone lid and anti-slip.Holds 18-ounce; 5.4 inches tall 100% BPA free,,eco-friendly, biodegradable Dishwasher safe. Microwave safe within 3 minutes to defrost and reheat. FDA, LFGB, REACH approved.Natural wax from rice husks, anti bacteria, easy to clean