TeePublic is an online marketplace where customers can discover and shop for designs created by independent artists and third-party designers. Its catalog includes apparel for adults and children, such as T-shirts, hoodies, sweatshirts, tank tops, shorts, and socks. Shoppers can also browse accessories including bags, hats, stickers, phone cases, pins, and totes, alongside home goods such as mugs, pillows, tapestries, and wall art. Products are organized by categories, themes, popular designs, and artist collections, making it easier to explore a wide range of interests and styles.

Customers can create an account to save favorite designs, follow artists, and access order history. The site also invites creators to sign up and sell their work through the platform. TeePublic provides customer support resources for order status, shipping, returns, exchanges, and sizing, and promotes free U.S. shipping on qualifying orders. Its services connect shoppers with artist-designed merchandise across multiple product types, with browsing and purchasing available through its online store.