Shein's pop-up store refers to a temporary retail store operated by the Chinese fashion retailer Shein. These stores are typically set up in various locations to showcase new collections, generate buzz, and increase brand awareness. Pop-up stores are known for their innovative and temporary nature, often featuring unique designs and limited-time offers. Shein, known for its fast-fashion business model, uses pop-up stores as a strategic marketing tool to reach customers in different markets.