Obsidian Mug

Ceramic. 11 oz mug dimensions: 3. 85″ × 3. 35″ (9. 8 cm × 8. 5 cm). 15 oz mug dimensions: 4. 7″ × 3. 35″ (12 cm × 8. 5 cm). Lead and BPA-free material. Dishwasher and microwave safe.