Anas bin Malik narrated that the Messenger of Allah (s.a.w) was asked:
What is Al-Kawthar? He said: That is a river that Allah has given me - that is, in Paradise- 'whiter than milk and sweeter than honey. In it are birds whose necks are like the necks of camels. 'Umar said: Indeed this is plump and luxurious then. So the Messenger of Allah (s.a.w) said, Those who consume it are more plumb than it.