Just that really. I need a new mattress for my super king, the old one is knackered - wasn't much good to start actually.
The man in the bed shop suggested that due to the way my hallway is I'd need a zip and link, as you shouldn't really bend a decent mattress. The price is a bit ouch, but I'm guessing it'll make the whole turning process a lot easier.
Has anyone got one? Are they the best thing since sliced bread? Can a child sleep in the middle on the zip without any bother? (mine still regularly come in at night).