LUCID 8 Inch Gel Infused Memory Foam Mattress - Medium Firm Feel - CertiPUR-US Certified - 10 Year U.S. warranty - Queen Medium-firm feel; 2-inch comfort layer of premium gel memory foam, plus 6-inch high-density support foam base layer Memory foam conforms to your body to relieve pressure points and align the neck and spine Ventilated design adds breathability; gel-infused memory foam improves temperature Rolled and compressed for shipping; easy to move through narrow hallways and staircases Safe for youth, CertiPUR-US certification ensures no harmful chemicals used in memory foam