Narrated Zaid bin THabit (RA):

Allah's Messenger (ﷺ) gave permission regarding al-'Araya for its sale on the basis of a calculation (of what the dates would be when dry) by measure. [Agreed upon].

عَنْ زَيْدِ بْنِ ثَابِتٍ ‏- رضى الله عنه ‏- { أَنَّ رَسُولَ اَللَّهِ ‏- صلى الله عليه وسلم ‏-رَخَّصَ فِي اَلْعَرَايَا: أَنْ تُبَاعَ بِخَرْصِهَا كَيْلاً } مُتَّفَقٌ عَلَيْهِ [1]‏ .‏