7mm long, 49mm wide and 1mm thick. According to the RB rebar futures trading network, the specification of 5g gold bars is about 7mm long, 49mm wide, 1mm thick and weighs about 5g. The words "China Bank 5g 999.9 Pure Gold" are printed on the front, and the pattern is bumper harvest. The pattern on the back is Tai Chi pattern and the national emblem of China people.