Traditional Foam MATTRESS REFRESH: 2-inch medium-firm mattress topper softens an overly firm mattress; no-slip bottom makes sure your topper stays put through the night INSTANT COMFORT: Traditional foam adjusts to your body weight and position for amazing pressure relief; ventilated to make sure you stay cool and comfortable ADVENTURE FRIENDLY: Mattress topper is perfect for camping, drive-in movies, and overnight guests; easily rolls up to store in closet or small space QUICK SETUP: Unbox mattress topper and let expand for 24 to 48 hours; new foam scent is normal and will disappear within first few days QUALITY MATERIALS: Boxed mattress topper is made of CertiPUR-US certified foam; 3-year warranty guarantees quality so you can rest easy every night