<b>Luxton Home Japanese Futon Mattress - Traditional Shiki Futon Lightweight and Foldable Mat for Floor, Yoga, Meditation and Travelling - Twin Long Size in White</b><br><br> This Shiki futon or Japanese futon mattress features a professional and traditional design. The dimension is exactly 39"" x 83"" and it is twin long. The fabric is 100% Natural and Organic cotton, highly durable and soft material that's very easy to clean and has no offensive smell.