Neck needs to be longer
Water Bottle from Tutankhamun’s Embalming Cache, ca. 1336–1327 BCE
Sketch 035: Water Bottle from Tutankhamun’s Embalming Cache, Metropolitan Museum of Art, Gift of Theodore M. Davis, 1909
Tutankhamun’s Water Bottle, Sketch 035
It's a long story ... 
When you said Tutankhamun’s water bottle, I had an image of him jogging and drinking water at the Y.
Yes, I would have called it a ceramic flask, but what do I know about Egyptian artifacts, ancient or otherwise?
Or even if they had a Y.