Hadith 4241
Chapter 4: The Skin Of Dead Animals (Those Not Slaughtered Or Killed Properly) - كتاب الفرع والعتيرة
أَخْبَرَنَا قُتَيْبَةُ، وَعَلِيُّ بْنُ حُجْرٍ، عَنْ سُفْيَانَ، عَنْ زَيْدِ بْنِ أَسْلَمَ، عَنِ ابْنِ وَعْلَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " أَيُّمَا إِهَابٍ دُبِغَ فَقَدْ طَهُرَ " .
It was narrated that Ibn 'Abbas said:
"The Messenger of Allah said: 'Any skin that is tanned has been purified."'
Reference : Sunan an-Nasa'i 4241
In-book reference : Book 41, Hadith 20