TeePublic is an online marketplace for discovering and buying designs created by independent artists. Its catalog includes apparel for adults and children, such as T-shirts, hoodies, sweatshirts, tank tops, and shorts, alongside accessories and home goods. Shoppers can browse designs by topic, product type, artist, or collection, with themes ranging from animals, anime, and music to sports, films, and vintage art. The site also offers artist features and provides information for creators interested in signing up or opening a store.

Customers can create an account to save favorite designs, track orders, and manage their shopping experience. TeePublic lists support resources covering order status, shipping, refunds, returns, sizing, and customer contact. The site promotes free exchanges and offers free US shipping on qualifying orders, with the displayed threshold set at $70. Products include graphic tees made from combed ringspun cotton, though the cotton type may vary for some sizes. TeePublic also provides newsletter subscriptions, browsing preferences, and customer reviews, helping visitors explore, purchase, and share artist-designed merchandise.