From Sahih Bukhari (Hadith 3249):
Narrated Al-Bara bin Azib:Allah's Messenger (ﷺ) was given a silken garment, and its beauty and delicacy astonished the people. On that, Allah's Messenger (ﷺ) said, "No doubt, the handkerchiefs of Sa`d bin Mu`adh in Paradise are better than this
Reference: Bukhari 3249