The silentnight single comfortable rolled mattress has been designed to support you to the very edge of the mattress with no roll off the deep foam comfort layer absorbs movement from both you and your partner so you dont roll together draped with soft touch knit cover the rolled mattress provides more sleep space and a pressure relief mattress depth of 14cm hypoallergenic the mattress provides a medium feel and no need to turn just simply rotate for longevity 5 year manufacturer guarantee