ISA is a luxury outlet in Tsim Sha Tsui, Hong Kong, selling brands such as Fendi, Prada, and Gucci. It also carries clothing, accessories, and products from Bally, Armani, and MU Sports. Discounts on luxury goods reach up to 90 percent, and ISA has four stores in Tsim Sha Tsui. Sizes not on display require asking staff, and discount rates drop after the season ends.