The 6" Single Foam & Cotton #605 Full Natural futon mattress has a medium firm surface feel. This mattress has one piece of solid 1 1/2" foam for resiliency, cushioning and comfort. The cotton and foam is pre-compressed under maximum pressure while the tufts are installed.This process ensures the mattress remains firm and durable. Dense "Joy" cotton batting surrounds the foam layer with 40 lbs of Gold Bond Joy cotton batting. Mattress available in various sizes and colors, including a 54" x 75" futon mattress size with medium firm surface feel and natural colored futon fabric.Assembly is not required as this item comes fully assembled. The technical specifications for the full size futon mattress include 6" single foam construction with one piece of 1.5" High Resiliency foam. Weights are based on the full size futon mattress, which weighs 53.00 pounds.