This is a medium tension mattress with a tried & tested combination of slow release memory foam & 1200 pocketed springs. The independently responsive springs will always contour to your individual body shape to ensure that you maintain the correct sleeping posture. The springs have also been encapsulated in reflex foam to give sleeping support right to the edge of the mattress & will allow you to use the full sleeping surface. The springs are topped by 50mm of slow recovery UK made memory foam which relieves pressure points & help to reduce aches & pains. There is a full 5 year guarantee on this mattress. Mattress is 22cm deep 1200 individually pocketed springs Encapsulated springs for full edge support 50mm of slow recovery memory foam 5 year guarantee Vacuum packed for ease of delivery Next day delivery