Queen size futon - the mattress is a spring/foam hybrid which helps to keep its shape.
This was purchased in 2021 and used in an office/as an occasional guest bed. It is overall lightly used, has one scratch on the left arm but otherwise no damage at all to the frame or mattress. I’ve included the link to wayfair which is where we purchased it from, as it has all the details.
It has been in a home with dogs, though we do have a no dogs on the furniture policy in our house.