General description The Memory Foam 6000 Mattress features a unique upper layer of high-density visco-elastic polymer gel, originally designed for NASA missions. It is soft and pliable, perfectly following the outline of your body for optimal comfort. Technical specifications Memory Foam thickness: 5 cm Total thickness: 16 cm Comfort level: Medium Type: Orthopedic mattress Other information Quilted zip-off cover for easy cleaning Anti-dustmite features Made to British standards/regulations Arrives vacuum packed and rolled for easy transport Please allow 72 hours once opened for the mattress to fully expand