Core Insights - The rise of "derivative products" such as free packaging bags and cup sleeves from tea and coffee brands has become popular among young consumers, leading to significant sales on second-hand platforms [1][5][9] - Young consumers are increasingly collecting limited edition packaging associated with popular IPs, driven by nostalgia and the desire for unique items [3][4][6] Group 1: Consumer Behavior - Young consumers, like 26-year-old Zhu Yongzhi, actively seek out limited edition packaging from popular films and brands, often purchasing from multiple stores to complete their collections [3][4] - University student Tao Xiaoqing shares her collection of IP-themed paper bags on social media, indicating a community of collectors who exchange and trade items on second-hand platforms [4][9] - The popularity of these items is evident as consumers often request specific limited edition packaging when making purchases, highlighting a shift in consumer priorities [5][6] Group 2: Market Dynamics - Second-hand platforms show a high volume of listings for tea and coffee packaging, with prices varying significantly based on brand and popularity, ranging from 0.5 to 50 yuan [4][9] - The demand for limited edition packaging is linked to the IP economy and the trend of scarcity, as young consumers seek personalized and unique products [6][9] - Some sellers on second-hand platforms emphasize the condition and authenticity of the packaging, indicating a market that values quality and provenance [9]