TeePublic is an online marketplace where customers can discover designs from independent artists and shop for creative merchandise. Its catalog includes apparel for adults and children, such as T-shirts, hoodies, shorts, sweatshirts, and tank tops, alongside accessories and home goods. Shoppers can also find stickers, magnets, phone cases, pins, tote bags, mugs, pillows, tapestries, and wall art. Designs span a broad range of interests and themes, including animals, anime, music, movies, sports, television, and vintage styles.

The site provides tools for browsing popular products, topics, featured designers, and artists, and offers artist sign-up options for creators who want to share their work through the marketplace. Product listings include garment styles, colors, sizes, and size charts. TeePublic says its production team sets quality standards for participating third-party printers, and its customer support information covers order status, shipping, refunds, and returns. The company also promotes free exchanges and offers international shopping options with selectable shipping countries and currencies.