Kimetsu no Yaiba trading foil-pressed bromide 4-piece set. Sanemi Shinazugawa Tengen Uzui Kyojuro Rengoku Mitsuri Kanroji After opening the package, I stored them in a photo album. When mailing, I will return them to their original bag, protect them from water damage, reinforce them with cardboard, and send them via Yu-Packet Post.