Sahih Muslim 7159
صحيح مسلم#7159SahihAbu Bakr b. Abdullah b. Qais reported on the authority of his father that Allah's Messenger (ﷺ) said that in Paradise there would be a tent made of a single hollowed pearl, the breadth of which would be sixty miles from all sides and there would live a family in each corner and the other would not be able to see the believer who goes around them
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: 53:28