Literature Reference: 上将还专席，双旌复出秦。—— 《送李中丞归本道》 The general returns to his seat, and the twin banners set out again from Qin. Source from 'Song Li Zhongcheng Gui Bendao'.
双: Two, a pair. Symbolizing abundance. It signifies double happiness.
旌: The flag symbolizes noble and graceful individuals, harmony between superiors and subordinates, gentleness and benevolence, prosperous success, and a favorable environment.
Meaning: The twin banners symbolize honor and prestige, representing power and status.