TeePublic is an online marketplace featuring designs from independent artists and creators. Shoppers can browse themed artwork and find it on apparel and other products, with options such as classic, heavyweight, tri-blend, streetwear, premium, V-neck, vintage, tall, and active-style shirts. Product pages provide details including available sizes, material information, and design previews, while search and category tools help customers explore the catalog.

The marketplace states that participating third-party printers are expected to meet its product quality standards. Its customer support resources include order tracking, frequently asked questions, shipping information, and guidance on refunds and returns. TeePublic also promotes free exchanges and invites customers to contact support if an order does not meet their expectations. Artist-related features include opportunities to create a store, share designs, and explore work by featured and emerging creators. Customers can sign up for promotional emails about sales and exclusive content. The site presents itself as a place to discover graphic designs and purchase them on wearable products, while offering tools and support for both shoppers and artists.