Having suffered with Sciatica for over a year and poor sleep throughout I tried the single mattress and what a find. It simply is quality, I now sleep soundly moving very little through the night. When I suggested to my wife getting a king size to fit us both as she suffers from a bad back resulting in poor sleep she resisted but now I find out she is secretly sliding onto my mattress in the morning when I get up before her. She now admits it is soooo comfortable that we are about to purchase a king mattress. Delivery was 1st class the mattress is good quality foam that hasnt faltered after a year of use,covered by a luxurious bamboo cover and the price was the same as lesser quality foam mattresses I had tried. Everything about this product screams quality.