I would give this a 5 if the off-gassing process didn't take so long! I received this around 2/10/19 and it's a little over a month later and I am still trying to get rid of the lingering chemical smell.

It's such a shame because it's a wonderful bed, comfortable, and the shipping process was smooth and easy. I love that it came in a box and all it took was unwrapping it from the plastic for it to inflate. But the smell is just horrible, so strong, and lingers for a while. I'm hoping that it goes away soon.