EGO HOME 4 inch Cooling Gel Memory Foam Mattress Topper – the perfect choice for enhancing the comfort of your mattress. The memory foam infused with green tea Cooling Gel ensures airflow and added breathability, keeping you cool and comfortable throughout the night. The EGO HOME Bed Topper is easy to use – simply place it on top of your mattress and under your mattress cover to receive a softer mattress that can also prolong the life of your mattress. You can rest assured that the materials used in this mattress topper are certified for your safety and comfort, with CertiPUR-US certified foam. What's more, your purchase is covered under our 3-Year Limited Warranty, giving you peace of mind. Say goodbye to restless nights and hello to a cooler, more comfortable, and healthier sleep with the EGO HOME 4inch Cal King Mattress Topper. If you have any questions or concerns, our friendly and knowledgeable customer service team is always available to assist you. Upgrade your sleep game today!