Used only once indoors for a short period. There are no noticeable scratches or stains, and the underside is clean, so I think it's in beautiful condition. Healthy with every step! Kenko Misatokko Zori Made by craftsmen in Sango-cho, Ikoma-gun, Nara Prefecture, the largest zori producing area in Japan. Raw materials/Ingredients: Tatami surface: Kyushu-grown natural rush. Sole: Natural rubber 40% + synthetic rubber 60%. Edge of tatami surface: Olefin resin (environmentally friendly specification that does not contain vinyl chloride) These are kids' zori with a characteristic red strap, perfect for everyday use with non-slip soles.