・Length: Approximately 350 ・Width: Approximately 30 I have only used it two or three times after purchasing it. I am unsure of the material. I don't see any stains, but this is a personal inspection, so I apologize if I missed anything. Please judge the condition from the photos. * Please refrain from purchasing if you have a strong eye for detail or are overly sensitive. * We do not accept returns as there have been cases of replacements or returns with damage.