The Leather Working Group (LWG) is an international organization dedicated to promoting sustainable and responsible leather production. It evaluates tanneries and leather manufacturers based on stringent environmental, social, and ethical criteria, including water and energy consumption, waste management, chemical usage, and supply chain traceability. LWG certification helps ensure that leather products come from facilities committed to reducing their environmental footprint while maintaining high industry standards. Many brands choose LWG-certified leather to align with sustainable and ethical sourcing practices.