The memory foam mattress from Laybrook has been specifically designed for adjustable beds, It is a high quality combination visco elastic open cell foam mattress, that adjusts perfectly to the contours of an adjustable bed & gives superb support to the user no matter what weight they are. The mattress has layers of different density Q-flex foam with visco foam (memory foam) on the top layer, a minimum of 50mm of high grade visco is used dependant on the individuals weight & how they like the feel of the mattress, firm, medium or soft & comes with a removable washable cover.