You will surely sleep very well on a mattress such as this one. The dimensions on this mattress are 135x190, so make sure that's what you need.
From Archers Sleepcentre
SleepSoul Heaven Gel Pocket 1000 Pillowtop 4ft6 Double Mattress in a Box
Wilko
SleepSoul Heaven Double White 1000 Pocket Sprung Cool Gel Foam Mattress
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