The mattress arrived quickly and well package. I was surprised by how quickly it "inflated" after cutting open the plastic. My daughter was able to sleep on it that night! And, unlike many cheap memory foam mattresses made overseas, it doesn't smell! I'm planning to get another one for my younger daughter once she gets into a big girl bed. Possibly the ONLY downside, I felt that the medium firmness was not quite firm enough for an adult, but perfect for my kid. I'd recommend a firm or very firm ...