Unused Kaya Kitchen Arm Covers Tetsukon (Iron Navy) These arm covers are made from kaya, a local industry material from Nara. The color is stylish and seems suitable for anyone. How about giving them as a gift? Opened for photography. Although unused, they have been stored at home. Please refrain from purchasing if you are looking for a perfect item like those in a store or if you are overly concerned about minor details.