Husk&rsquo;sware Eco-friendly BPA Free Rice Husks Fiber 15oz Reusable Travel Coffee Mug (Rose Red) Made from Rice Husks Fibre, natural resources plant fiber Holds 15-Ounce; 4.7 inch high Come with 100% Silicone lid and wrap (not bio-degradable) Microwave safe within 3 minutes to defrost and reheat. Dishwasher safe. FDA approved, Eco-friendly and biodegradable