Can i write on it with a sharpie?

Sure, but taking it off, I don't know. It is a very smooth ceramic.

What size is the medium one?

It's beautiful but small. My friend who I bought it for does love it.

9 and a quarter inches from trunk to tail, and 6 and quarter inches high. The widest part, the ears, are 4 inches tip to tip.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Product ID: 403866215

⚪Glossy pristine white finish

🐘6" long elegant ceramic

📏Compact 14.5x7x9 cm size