Tumbleweed - Granddaddy - Granddaddy Mug - Large 18 Ounce White Ceramic Coffee Mug With Black Handle - Granddaddy Gifts Tumbleweed Large Coffee Mugs Have Photo Quality Designs On Each Side And Are Made From Quality Durable Ceramic. Hand Wash To Ensure Mugs And Mug Designs Last For Years To Come. All Tumbleweed Mugs hold approximately 18 ounces, perfect for coffee, teas, and hot chocolate. Made From Quality, Durable Ceramic, This Is The Perfect Drinkware Mug Or Office Decor Mug To Hold Pens, Pencils, Paperclips And Candy. Mug Is Microwave Safe. Careful: Sometimes Mugs Can Be Hot. Handle All Hot Objects With Caution.