Hello -- Did you find the Octaspring website? You can see a list of the models here, which has a bit more detail than is listed on their GoodBed profile.

Hi! My name is Olivia and I am at the headquarters at Octaspring. I would be happy to help answer any questions you may have if you would like to email me at customer.service@dormeona.com attention to Olivia Rodriguez. You can also find helpful information on our website at www.octaspring.com the page that has all the mattress details is www.octaspring.com/memory-spring-mattress/

Let me know how I can help further! Thanks!