English Grammar Mug: 11oz Ceramic Coffee Mug Custom made and printed on demand when ordered Holds 11 oz and is 3.50 inches tall Designed from a white ceramic material Please note: this mug is dishwasher and microwave safe Are you an English teacher? Know someone who is? Get this funny grammar coffee mug for them. The caffeine effect can affect us all. Phew. I got it right this time.