Musnad Ahmad 30:2252

Affan narrated to us, Hammad ibn Salamah narrated to us, he said: Ali ibn Zayd informed us, from Sa'id ibn al-Musayyib, from Abu Hurayrah, from the Prophet, peace and blessings of Allah be upon him, who said: "The people of Paradise will enter [it] beardless, fair-skinned, with curly hair, and kohl-eyed, thirty-three years of age. They will be upon the stature of Adam: seventy cubits in height by seven cubits in width."