TeePublic is an online marketplace where customers can discover and shop designs created by independent artists. Its catalog spans apparel, accessories, and home goods, with products for adults and children. Shoppers can browse T-shirts, hoodies, sweatshirts, shorts, hats, stickers, phone cases, totes, mugs, wall art, pillows, and other items, or explore designs by topic, style, and artist. The platform also supports creators, offering artist sign-up and store-related resources alongside tools for discovering featured designers and new artwork.

TeePublic provides customer support information covering order status, shipping, returns and refunds, sizing, and frequently asked questions. The site promotes free exchanges and offers free US shipping on qualifying orders, with the threshold shown on the shopping page. Product details, available styles, sizes, and materials vary by item; the page describes some graphic T-shirts as made from combed ringspun cotton, while noting that fabric may differ for certain sizes. TeePublic also offers newsletter subscriptions for updates, promotions, and exclusive content.