I received my Island mattress 2 days ago. It expanded to it's promised size in under 30 minutes!! I don't know what plastic smell some people experience with boxed mattresses but mine smelled like coffee. I don't drink coffee but it was a welcomed treat.which quickly faded. After the first night sleeping on it I woke up feeling fabulous!! I had no pains that I had been suffering from for 13 years and my sleep wasn't disturbed by my husband's early wake time. This mattress is underrated even at 5 stars. KUDOS TO EVERYONE AT SWEET NIGHT!!!! ❤❤❤❤❤❤❤