3 Inch Gel Memory Foam Mattress Topper King, Certipur-Us Certified Nothing is more relaxing and important than a good night's sleep, and the quality of your sleep can have a profound effect on your day! You should make sure that the bedding you use promotes this aspect. An old mattress can have more negative effects on your body than just lying uncomfortably. ?Built for Comfort?- When you feel your mattress is too firm or uncomfortable, choosing a mattress topper is an affordable solution to soften your mattress. It can also protect your existing mattress and extend its lifespan. ?Pressure Release and Support?- In addition to enhancing the comfort of the mattress, the memory foam topper provides essential support at all pressure points, reducing body pressure and relaxing muscles to ensure your sleep is uninterrupted. ?Ventilation and Refreshing?- The memory foam topper has small holes for ventilation to promote air circulation and prevent sleeping overheating. And the foam topper is infused with gel beads that are able to respond to your body temperature to properly regulate its temperature for a restful night's sleep. ?Rest Assured?- The quality foam of this memory foam topper is CertiPUR-US certified, performance-tested and meets standards for content, emissions and durability. ?Warm Reminder?- The mattress topper comes conveniently compressed and packaged for easy transport and setup. Unpack, unfold and leave the mattress topper in a well-ventilated area for 48-72 hours to allow the slight foam smell to dissipate and return to its normal shape and size.