12oz Coffee Mug: Shark, Duh-Dun! High-quality sublimation inks on white ceramic mug for a long lasting, fade-resistant finish. No vinyl or stickers used. Whimsical, Funny Graphic Print Coffee Mug, Gift for the Shark Obsessed. Design is printed on both sides. Dishwasher and microwave safe. Mug is sublimated to order. Due to handmade nature of this item, design placement may vary slightly. Please note color presentation may differ slightly on different screens. Original Design by Heidi Myers Art.