أَخْبَرَنَا إِسْمَاعِيلُ بْنُ مَسْعُودٍ، عَنْ يَزِيدَ، - وَهُوَ ابْنُ زُرَيْعٍ - قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ أَبِي جَمْرَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ ‏:‏ جُعِلَ تَحْتَ رَسُولِ اللَّهِ صلى الله عليه وسلم حِينَ دُفِنَ قَطِيفَةٌ حَمْرَاءُ ‏.‏

It was narrated that Ibn 'Abbas said: "When the Messenger of Allah was buried, a red velvet cloak was placed beneath him." Translation Not Available

Book Ref: Sunan An Nisai Book 21 Hadith 2012
Web Ref:  Sunan An Nisai Vol 3 Book 21 Hadith 2014