These zori feature a natural material with a navy blue thong. Made in Japan - Design: Navy blue thong - Material: Unknown if straw or rush grass. Synthetic sole. - Size: Approximately 25cm Thank you for viewing. How about these comfortable zori for the coming season, perfect for wearing barefoot? I haven't used them for several years and have stored them at home, but I don't think there's any noticeable deterioration. There are no smokers in the house, but we have cats and dogs. I will wipe them down with alcohol before shipping, but please refrain from purchasing if you are sensitive to this. Also, please understand that no claims or returns are accepted.