The Royal line is produced by the same factory, that makes products for the Japanese Imperial Household. Each bag is sewn by hand, using the highest quality leather for the exterior. The bag interior is lined with suede. Paulownia wood is used for the frame, minimizing the weight of the bag. Paulownia wood's natural resistance to insects also protects the bags. In contrast, many other manufacturers use manmade wood for the frame.

The Art of Pearl by Yoshiharu charm is an added luxury to the bag.