The Yangjae branch of Costco opened in 2000 and is the largest branch of Costco. This branch offers a variety of domestic products, imported goods, and its own brand (PB), Kirkland, at wholesale prices. Costco’s most popular items are fashion apparel, fresh meats, wine, and frozen goods. The store is extremely popular with Koreans and foreigners alike.The Yangjae branch is open daily from 9:00am to 10:00pm, but is closed on January 1 and Chuseok.