Silent Night memory foam double mattress £50

I would like to sell my Silent Night memory foam mattress for £50 (price today is £190).

It is around a year old, but very clean and well maintained.

Here are the detailed specifications:

Silentnight 7-Zone Memory Foam Mattress, Double

Memory foam mattress with Miratex 7 zoned support system
Contains a layer of body moulding memory foam
20cm depth
Pressure relieving
Luxury soft touch quilted knit cover for extra comfort and luxury

The cover of the mattress has hypoallergenic properties to help keep the mattress bacteria and dust mite free.

Rated 4.2 of 5 stars on the Amazon website.