• Ceramic • 11 oz mug dimensions: 3.8″ (9.6 cm) in height, 3.2″ (8.2 cm) in diameter • 15 oz mug dimensions: 4.7″ (11.9 cm) in height, 3.3″ (8.5 cm) in diameter • 20 oz mug dimensions: 4.3″ (10.9 cm) in height, 3.7″ (9.3 cm) in diameter • Dishwasher and microwave safe Age restrictions: For adults EU Warranty: 2 years Other compliance information: Meets the lead and cadmium level requirements. In compliance with the General Product Safety Regulation (GPSR), Más 54 ensures that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact us at mas54ie@gmail.com or write to us al +353 87 483 9021.