Twin Size - Otis Haley 150 Futon Mattress by Otis Bed Overstuffed -14 inches of HD foam & Polyfiber Compressed into an 8" Case Extra Firm - Best Choice for Maximum Support Durable -Comes with a 10 year warranty, Made to last! Box Edges -Expert mattress tailoring operation ensures a clean tailored look USA Made -Bench built hand made quality assures uniformity and quality control on each mattress