Specifications Size： twin: 90x200cm(35x79inch) full: 120x200cm(47x79inch) Queen: 150x200cm(59x79inch) king: 180x200cm(71x79inch) Name: Japanese floor mattress Fabric: Skin-friendly fabric Filling: hard cotton + feather silk cotton Thickness: 3.5cm Application: all four seasons Process: quilting and shaping Details: Mattress x1 Tips: 1. mattresses need to be folded and compressed when packaging. When the product arrives at your residence, there may be creases, so it takes 2 to 3 days to open the package to return to its normal thickness. It is recommended that you put the mattress in the sun, which will help restore its thickness. 2. Due to the lighting, venue, camera and equipment when shooting, the actual color of the photo will be slightly different from the product. Please refer to the actual color. 3. Since manual measurement error is normal, the specific size depends on the actual product.