It's a free size, but it runs small. Length: Approximately 43 cm Width: Approximately 31 cm Brand new, unused. No comments, instant purchase OK. The shipping method may be changed from Rakuraku Mercari Bin to Yuuyu Mercari Bin. - The color of the product may appear different depending on the device you are using. - We thoroughly inspect our products, but if you have any problems with the item after it arrives, please contact us "before" leaving a review. - When shipping, we may fold the item compactly or compress it. - Please note that we do not accept returns or exchanges due to customer reasons such as a different image, size, or color. - As this is a foreign product, there may be imperfections in the construction, minor scratches, or odors. Also, there may be no tags even if the item is new. Please purchase with the above in mind.