thredUP (NASDAQ:TDUP) is the world’s largest online consignment and thrift store for high-quality women's and kids' apparel and accessories. Customers use pre-paid thredUP bags to send consignment-quality clothing, earn cash upfront for their clothing, and find new styles and brands up to 90% off retail prices. thredUP was founded in 2009 by James Reinhart, Oliver Lubin and Chris Holmes and went public in March 2021.