Studio Ghibli My Neighbor Totoro Silicone Cup Cover. 
Silicone lid shaped like a green doily meant to keep your drinks warm.
The mini Totoro grip on top makes it easy to place and remove the cup cover.
Fits most cups (up to 90mm in diameter). 
Based on the animated movie My Neighbor Totoro.
Approximately 3.5" in diameter.
Brand: Benelic Limited