LUCID 10 Inch Latex Foam Mattress - Firm - Ventilated Design - CertiPUR-US Certified Foam - 10 Year U.S. Warranty - Twin Firm feel; 3-inch natural latex surface layer responds instantly with comfortable resilience Latex layer is ventilated for airflow and breathability Conforms to body weight and curves to relieve pressure points Temperature-regulating, moisture-controlling TENCEL blend fabric cover creates a comfortable air layer Compressed, rolled and shipped in a box for simple setup; Twin size: 75 x 39 x 10