Amazing product. I spent many hours researching quality sofa beds, and it was worth it. The pocket sprung mattress is reasonably firm and very comfortable. The mechanism is easy to use, and the footprint of the bed it much smaller than most other sofa beds, despite the bed being bigger. The best feature for me is that there are no cushions to find a home for when using as a bed - they all stay attached and simple for underneath the bed. Mattress protector and sheet can be left on the bed when it is folded away, but duvet and pillows must be removed. We have a medium metro, which is larger than a standard double, however because the mattress is slightly less deep, standard double fitted sheets fit well. Delivery and installation was carried out by Furl. It too about 20mins. They gave me a good demonstration, tips on operation and moving the sofa, and took all the rubbish away when they were done. Expensive, but well worth the extra.