Comfortable king single bought off Trademe trader two years ago as was mattress the bed was brand new and self assembly which it will be for you the mattress does have faint brown marks at foot of bed the underside is grubby I'm not too bothered if you don't want it I can get rid no problem. I also have a sponge foam mattress which I used on top of mattress I'm thinking I will hang onto that as I have never been so comfortable again bought off Trademe trader. Already dismantled good to go,1130 by two metres long