Fleek operates a business-to-business marketplace that connects retailers, online resellers, and vintage clothing wholesalers. The platform enables buyers to source wholesale second-hand fashion inventory from verified suppliers across multiple countries through online listings and live video buying sessions. It provides tools that support product discovery, order management, payments, shipping coordination, and buyer protection throughout the purchasing process. Fleek also performs quality inspections on inventory through its supply hubs and offers features that facilitate supplier matching and price negotiation. The platform serves businesses involved in the second-hand fashion industry by streamlining wholesale sourcing and cross-border transactions.