وَعِندَهُمْ قَاصِرَاتُ الطَّرْفِAnd beside them will be Qasirat-at-Tarf (chaste females),means, they restrain their glances from anyone except their husbands, and do not turn to anyone else.أَتْرَابٌ(and) of equal ages.means, they will all be of the same age.This is the understanding of Ibn Abbas, may Allah be pleased with him, Mujahid, Sa`id bin Jubayr, Muhammad bin Ka`b and As-Suddi.هَذَا مَا تُوعَدُونَ لِيَوْمِ الْحِسَابِ