TeePublic is an online marketplace for discovering and shopping for artist-designed merchandise. Its catalog includes apparel for adults and children, such as T-shirts, hoodies, sweatshirts, tank tops, and shorts, alongside accessories and home goods. Customers can browse items by category, search for themes or designs, and explore collections, featured artists, and new designers. Products shown on the site include stickers, magnets, phone cases, hats, tote bags, mugs, tapestries, pillows, and wall art.

The platform also supports independent creators through artist sign-up and store creation, providing a place to share designs with shoppers. For customers, TeePublic offers account features for saving favorite designs, order-status information, size charts, shipping details, exchanges, and returns. The site promotes sales and coupons, and indicates free U.S. shipping for qualifying orders. Its broad selection makes it possible to find designs across interests and styles, from everyday clothing to decorative items and gifts. TeePublic combines product discovery, creator-focused design listings, and online shopping in one marketplace.