Serenia Sleep 3-Inch Memory Foam Combo Topper Made in the USA, Queen Adds comfort by combining high density and memory foams to revitalize your mattress Sleeps cooler and drier with breathable open cell memory foam Relaxes pressure points that can contribute to tossing and turning Encourages better sleep posture as it supports and conforms to your body profile Foam is manufactured following CertiPUR-US guidelines