Ltpgtthe bioceramic mattress is a premium choice the innovative fabric emits a long rage of infra red rays through the bioceramic particles these rays have identical wave lengths to our body to produce multiple benefitsltpgt ltpgtsize and prices ltul classquotbulletlistquotgt ltligtsingle 90x190 pound8999ltligt ltligt double 135x190 pound13499ltligt ltligtking 150 x 200 pound15499ltligt ltligtsuper king 180 x 200 pound1