In the economy class, except for the "LIGHT" tariff with only hand luggage and no free Baggage Allowance, the allowed limit for the hand luggage is 8 kg and for checked baggage - 23 kg.
Business Class:
- check-in baggage 2 pieces, not more than 32 kg (158 cm by the sum of 3 dimensions)
- hand luggage 2 pieces, not more than 12 kg (115 cm by the sum of 3 dimensions) 
https://www.georgian-airways.com/en/information/baggage

For children from 2 to 12 years old the free baggage allowance is the same as for the adults except for the LIGHT (no free baggage allowance) tariff. For more information please follow the  link: https://www.airzena.com/ge/information/baggage