Sahih Muslim Book 24, Hadith Number 5131.

Chapter : The use of gold and silver vessels to forbidden to men and women and it is also prohibited to drink in them.

This hadith has been narrated on the authority of Ash’ath b. Abu ash-Sha’tha’ with the same chain of transmitters (and with these words): There is no doubt about the words: To fulfil the vows were mentioned and this addition had been made in the hadith: (The Holy Prophet) forbade drinking in silver vessels, for one who drinks (in them) in this world would not drink (in them) in the Hereafter.