TeePublic is an online marketplace for discovering and shopping for designs created by independent artists. Its catalog spans apparel, accessories, and home goods, with products for adults and children. Shoppers can browse graphic T-shirts, hoodies, sweatshirts, shorts, hats, stickers, phone cases, totes, mugs, pillows, tapestries, and wall art, alongside themed collections and featured designers. Product pages provide details such as available styles, sizes, materials, and sizing guidance; the featured T-shirt, for example, is described as made from combed ringspun cotton, subject to availability for some sizes.

The platform also supports artists through designer sign-up and opportunities to create and share designs through its marketplace. Customers can create accounts to save favorite designs, search by topic, and explore categories including animals, anime, music, movies, sports, and vintage. TeePublic provides customer support for order status, shipping, returns, exchanges, and other questions. The site promotes free US shipping on qualifying orders and free exchanges, with policies and terms available online. Its range combines expressive graphic designs with everyday clothing, accessories, and décor.