The Prophet granted a concession allowing earthenware jars that are not coated with pitch.
Sunan an-Nasa'i Book 51, Hadith 112
← Previous Hadith The Messenger of Allah forbade Ad-Dubba' (gourds), An-Naqir, earthenware jars, and Al-Muzaffat.

Sunan an-Nasa'i Book 51, Hadith 111 Next Hadith → "The Messenger of Allah said: 'I used to forbid you (to store) the sacrificial meat, but now eat it and store it; and whosoever wants to visit graves (may do so), for they are a reminder of the Hereafter; and drink but avoid all intoxicants."

Sunan an-Nasa'i Book 51, Hadith 113