The 4" All Cotton #604 Loveseat 54X54 Sage Microfiber Futon Mattress features a firm surface feel with more densely packed cotton inside for durability and firmness.With a 4" all cotton construction, this futon mattress includes Gold Bond's custom-blended "JOY" cotton batting for resilience and longevity. The Technical Specs state that the futon mattress has 40 lbs of Gold Bond Joy cotton batting.This lovesteat futon mattress provides excellent support with its 100% polyester Sage Microfiber colored futon fabric, available in various sizes and colors. The restrictions on this product are none, making it a perfect starter futon mattress.