One piece of hand Baggage which must not be larger than 22x18x10= 45 inches (56 x 45 x 25cms)
For more details visit : https://www.shaheenair.com.lb/english/Baggage/Baggage-Information
For Hujjaj,
Exit from Pakistan, hand baggage allowance is 7 kg
Exit from Jeddah / Madinah, hand baggage allowance is 7 kg