How big is the suitcase for two people to travel to Jiuzhaigou for seven days?

24 inches. When two people travel to Jiuzhaigou for seven days, they need to prepare clothes, shoes and daily necessities for two people for seven days. 24-inch suitcase is the most common suitcase, and it is also the most suitable suitcase for the public, so two people took the 24-inch suitcase to Jiuzhaigou for seven days. Jiuzhaigou National Nature Reserve is located in Zhangzha Town, Jiuzhaigou County, Aba Tibetan and Qiang Autonomous Prefecture in the south section of Minshan Mountain in northwest Sichuan Province. It is located in the northeast of Gongganling in the southern section of Minshan Mountain, more than 400 kilometers away from Chengdu. It is a large branch ditch at the source of Baishui River in the upper reaches of Jialing River in the Yangtze River system, with a total area of 65,074.7 hectares.