Because some truths go down easier with caffeine and a little mythic attitude. • Ceramic • 11 oz mug dimensions: height 3.85" (9.8 cm), diameter 3.35" (8.5 cm) • 15 oz mug dimensions: height 4.7" (12 cm), diameter 3.35" (8.5 cm) • Lead and BPA-free material • Glossy finish • Dishwasher and microwave safe Quality takes patience. Understanding does too. If only common sense shipped as reliably as this mug.