Upgrade your old mattress with a 4-inch ventilated topper made with CertiPUR-US? certified premium foam for maximum comfort and improved sleep quality. Feel the topper react to the temperature of your body and begin to mold itself to your shape. Your weight will be evenly distributed along the surface, relieving pressure points and helping you to sleep more without tossing and turning. The topper is also infused with green tea, ready to soothe you into a good night's sleep and naturally help control odors. Ventilated open cell design also creates increased airflow that helps reduce trapped body heat for cool and refreshing sleep.FeaturesVentilated design for optimized airflow and reduced trapped body heat Green tea infusion for calming and odor control benefitsPressure relief with body-conforming memory foamMotion isolation for undisturbed sleepCertiPUR-US? certified foam 3-year manufacturer's warranty