Abu Dawud Book 20, Hadith Number 3684.
Chapter : Vessels of wine.
Narated By N/A : Abu Hurairah said: The Apostle of Allah (peace be upon him) said to the Deputation of ‘Abd al-Qais: I forbid you the use of hollow stumps, vessels smeared with pitch, green jars, pumpkins, and a skin cut off at the top, but drink from your skin and tie it with a string.