The Messenger of Allah ﷺ said, "In Paradise there is a tent made from a single hollowed pearl, sixty miles wide. In each corner of it are family members whom those in the other corners cannot see, and the believers visit them all."
أن رسول الله ﷺ قال: إن في الجنة خيمة من لؤلؤة مجوفة، عرضها ستون ميلا، في كل زاوية منها أهل ما يرون الآخرين، يطوف عليهم المؤمنون.
Bukhari narrated it in the tafsir (4879) and Muslim in Paradise and the description of its blessings (2838: 24), both through Abdul-Aziz bin Abdul-Samad, who said, Abu Imran Jawni narrated to us, from Abu Bakr bin Abdullah bin Qays, from his father, and he mentioned it, and the wording is Bukhari's.In a narration by Muslim from another route, from Abu Imran Jawni, with this wording, "The believer will have in Paradise a tent made of a single hollow pearl, sixty miles in length..." And in another narration, "The tent is a pearl, sixty miles in height in the sky..."