This topper to completely transform your mattress, without replacing it. This 2" topper features gel-infused memory foam – a combination of gel and conforming memory foam that helps provide adaptive comfort and support. The premium memory foam adapts to your unique shape for personalized comfort, while the gel infusion promotes a cooler sleep experience.• GEL INFUSION MEMORY FOAM: Foam mattress topper is two inches of soft responsive memory foam, an easy way to help make a firm mattress soft. The memory foam is infused with gel to help regulate temperature and dissipate heat for a comfortable sleep climate.• ULTRA COOLING & BREATHABLE: The innovative bamboo fiber pillowtop cover adapts unique weaving technology, silky and cool to the touch, which can enhance air circulation, perfect for hot sleepers. Together with the premium gel-infused in memory foam, ensuring a cooling and breathable sleep environment.• HIGH QUALITY WITH NO DISTORTION：Our high-quality memory foam is made good .Thousands of testing and hundreds of reviews shows and hardly deformed even after several years of use.• VENTILATED DESIGN: Our gel mattress toppers are designed with ventilation to help dissolve heat with constant airflow, perfect for those who sleep hot. Protect the life of your memory foam topper with a waterproof mattress cover. All Lucid mattress protectors are designed to accommodate both a topper and mattress in one enclosure.• SLEEP COMFORTABLE: Our revolutionary gel-infused memory foam topper aligns your spine, helps to relieve common pressure points and prevent you from sinking into foam. Medium soft level for most people and suit all kinds of sleeping positions. No matter how you twist and flip the bed, it will prevent topper from any shifting and sliding.