Tumbleweed 'Veteran' Definition Stoneware Coffee Mug Tumbleweed Mugs are Microwave Safe. Careful: sometimes mugs can be hot. Handle all hot objects with caution.^Made from quality durable ceramic this is the perfect drinkware mug or office decor mug to hold pens pencils paperclips and candy.^All Tumbleweed Mugs hold approximately 20 ounces perfect for coffee teas and hot chocolate.^Hand Wash to ensure mugs and mug designs last for years to come.^Large coffee mug measuring approximately 3 3/4 inch diameter x 4 3/4 inches tall; ideal for holding your favorite beverages safely.