Stella McCartney is one of the most famous and respected sustainable fashion designers with a personal brand. The brand offers women's, men's, children's collections, underwear, perfumes and accessories. The brand has about 50 boutiques around the world. Stella McCartney creates clothing from microsilk (which is laboratory-produced silk), mylo (an alternative leather grown from mushrooms), and raw material sourced from fishing nets, among other materials. All Stella McCartney products are PVC-free. The brand tracks the country of origin and supply chain of sourced cotton. Viscose and other forest materials come from sustainably grown crops. The packaging is FSC certified. Stella McCartney conducts a number of social activities, educates on sustainable fashion, collaborates with other NGOs, local stakeholders and fashion industry experts.