See it here at Mattressman.co.uk:
http://www.mattressman.co.uk/product.aspx?page_id=1&size_id=4&PID=9292
This is the Moonbeam mattress from Silentnight.
Inside the mattress is a twin spring system, this includes about 750 miracoil springs and 1350 individual pocket springs. This is designed to relieve pressure and give support to the whole of your body.
For those who suffer from allergies, the Moonbeam is hypoallergenic and has several small air vents on the sides of the mattress.
The Moonbeam is non turn, meaning only end to end rotation is required for your convenience.
This fabulous mattress would be ideal for any bed frame or divan.