Narrated Ibn ‘Abbas:

Narrated (rad): Allah’s Messenger (ﷺ) said: "When the skin is tanned it becomes purified.” [Reported by Muslim]. Al-Arba’a have the words: "Any skin that is tanned ... "

وَعَنِ ابْنِ عَبَّاسٍ رَضِيَ الْلَّهُ عَنْهُمَا قَالَ: قَالَ رَسُولُ الْلَّهِ ‏- صلى الله عليه وسلم ‏-{ إِذَا دُبِغَ الْإِهَابُ فَقَدْ طَهُرَ } أَخْرَجَهُ مُسْلِمٌ [1]‏ .‏ وَعِنْدَ الْأَرْبَعَةِ: { أَيُّمَا إِهَابٍ دُبِغَ } [2]‏ .‏