小七糖果屋 is an online retailer specializing in electronic cigarette devices, cartridges, and disposable e-cigarettes. Its catalog features products from brands including SP2S, ILIA, LANA, RELX, KISS/KIS5, MEHA, SWAG, DIYA, TOKYO, and XIAOKE. Shoppers can browse starter devices, replacement pods and cartridges, compatible products for different device generations, and independent-brand options. The store also lists disposable models with a range of advertised puff counts, along with selected rechargeable or refillable products and accessories such as empty pods.

Product pages highlight flavor choices, device compatibility, package quantities, prices, and occasional bundle promotions. The site provides product information and buying suggestions to help customers compare brands and formats, as well as updates on popular items and available stock. Customers can place orders through the online shop, which advertises free shipping on purchases over NT$2,000 and cash-on-delivery pickup at 7-Eleven. The retailer states that it ships orders placed before its daily cutoff from Monday through Saturday and offers customer service during specified weekday and Saturday hours.