The store's official twitter also teased some amazing limited edition products that they will be having in their stores during the collaboration event.
Here's just one sample of their upcoming products.
There are more products to see! Check them out from their official product catalog
Fun fact from wikipedia
The Isetan flagship store in Shinjuku is considered to be one of the most influential department stores in Japan. The store is often first with showcasing new trends and new products. In particular, the fashion and food floors are thought to be very trendsetting.