Sahih Muslim 6348
صحيح مسلم#6348SahihAl-Bara' reported that a garment of silk was presented to Allah's Messenger (ﷺ). His Companions touched it and admired its softness; there- upon he said:Do you admire the softness of this (cloth)? The handkerchiefs of Sa'd b. Mu'adh in Paradise are better than this
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 44:178