E & A Warehouse is an online store offering a selection of graphic apparel, vintage items, and trading cards. Its clothing range includes Liquid Blue shirts, with designs inspired by the Grateful Dead and themes such as dark and light fantasy. The store also carries The Mountain shirts, featuring artwork and subjects including animals, birds, dinosaurs, wolves, Native American imagery, humor, and culture. Products shown include tie-dye T-shirts and long-sleeve shirts in a range of sizes.

Beyond apparel, E & A Warehouse sells vintage posters, including blacklight designs, as well as vintage shirts, vintage head shop items, and TCGs (trading cards). Customers can browse product categories and shop through the online storefront, where selected items are available to add to a cart and some shirts offer multiple options. The site also provides links to the store’s presence on eBay, Whatnot, Instagram, and Amazon, along with contact details and customer account features.