I bought a queen size at my local Woolies for $15, as I had just moved into an apartment and at that point had no mattress yet. I thought since it was so cheap if it only lasted a few nights I would still be ahead. This model comes with no pump, just a screw in, one way valve. What do you expect for less than $20? I blew it up and placed it on my slat base bed frame. I'll be honest and say I felt no difference between this mattress and my $600 innerspring that I had sold. It was very comfortable and despite having no pump wasn't a huge bother t...Read more