وَيَطُوۡفُ عَلَيۡهِمۡ غِلۡمَانٌ لَّهُمۡ كَاَنَّهُمۡ لُؤۡلُؤٌ مَّكۡنُوۡنٌ

There will circulate among them [servant] boys [especially] for them, as if they were pearls well-protected