Enjoy refreshing comfort when resting on supportive memory foam found in the Copper Infused Memory Foam Mattress Topper. Three inches of plush AeroFusion memory foam offers supportive spinal alignment to relieve pressure points and is infused with copper to promote odor control through antibacterial properties 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.