Enjoy refreshing comfort when resting on supportive memory foam found in the Infused Memory Foam Mattress Topper. Three inches of plush AeroFusion memory foam offers supportive spinal alignment to relieve pressure points and is infused with to promote peaceful relaxation for fresh and clean sleep throughout the night. Built-in AeroFusion Ventilation Technology provides maximum air flow and temperature regulation. The odor free memory foam meets CertiPUR-US standards for content, emissions, and durability for long lasting comfort. Each mattress topper is backed by a 5-year limited warranty.