TeePublic is an online marketplace where shoppers can discover designs created by independent artists and purchase them on apparel, accessories, and home goods. Its catalog spans themes such as animals, anime, music, movies, sports, vintage art, and humor, with options for adults and children. Apparel includes T-shirts, hoodies, sweatshirts, shorts, tank tops, and other styles, while accessories include hats, stickers, magnets, phone cases, pins, and tote bags. Home goods include mugs, pillows, tapestries, and wall art.

The site lets visitors browse popular products, featured artists, new designs, and topic-based collections, or search for a favorite theme. Customers can create an account to save designs, and the store provides order tracking, customer support, shipping information, and returns assistance. TeePublic also promotes free exchanges and offers free U.S. shipping on qualifying orders. Artists can sign up to share their work through the platform, which presents itself as a destination for expressing personal interests through original design merchandise.