<br><b>Product Detail</b> <br> - Queen-long Size (Japanese Size): 63 x 83 x 2.5 in. (160 x 210 x 8 cm) <br> (Please Confirm your bed size. Japanese size standard might be different from the US's one) <br> <br><b>Materials</b> <br> - Cotton 100% (Outer fabric) <br> - Polyester 100% (firm pad and filling) <br> <br><b>How to care</b> <br> - Futon Mattress is cannot be washed. Please use cover and wash a cover regularly. <br> - Please dry in the sun sometime so that molds can be prevented.