transform your sleep experience with by twin extra long mattress. this mattress is a revolutionary product that combines cutting-edge technology with unparalleled comfort. by collection is designed to enhance your sleep quality and well-being. dual cooling technology, incorporating cooling gel foam and phase change technology, keeps you at an optimal sleep temperature, allowing you to drift off into a deep and restful sleep. gen ii gel- memory foam provides enhanced -point relief, ensuring that your body is properly supported and reducing risk of discomfort. it also improves airflow, creating a fresh and breathable sleep environment. individually wrapped coil unit featuring marvelous middle offers superior stability and support, especially in center of mattress, where it matters most. medium comfort foam adds an extra layer of plushness while also helping to regulate temperature. gel- memory foam in this mattress contours to your body's shape, providing a customized sleep experience. mattress comes in a rich navy blue color and is made from foam. it has a depth of 78.12 inches, a width of 37.93 inches, and a height of 12.62 inches, with a weight of 61.82 pounds. package measures 41 inches in depth, 20 inches in width, and 20 inches in height, weighing 70 pounds. : transformative sleep, revolutionary mattress, cutting-edge technology, cooling system, relief memory foam, airflow improvement, stable support coils, temperature regulation foam, contoured sleep experience, navy blue mattress design, quality foam construction experience a rejuvenating sleep with by twin extra long mattress. this mattress is designed to help you wake up feeling refreshed and revitalized. dual cooling technology, incorporating cooling gel foam and phase change technology, provides a cool and soothing sleep environment. gen ii gel memory foam delivers enhanced -point relief, allowing your body to relax and recover during sleep. improved airflow within mattress ensures a fresh and breathable sleep surface. individually wrapped coil unit with marvelous middle offers excellent support and reduces motion transfer, creating a peaceful sleep atmosphere. medium comfort foam equalizes and helps regulate your body temperature for a comfortable night's sleep. gel in memory foam effectively dissipates heat, keeping you cool and comfortable. mattress is available in a stylish navy blue color and has dimensions of 78.12 inches in depth, 37.93 inches in width, 12.62 inches in height, and weighs 61.82 pounds. package measures 41 inches in depth, 20 inches in width, and 20 inches in height, with a weight of 70 pounds. : rejuvenating sleep, cooling technology comfort, gel memory foam relaxation, airflow breathability, support and motion reduction, regulation, temperature control, heat dissipation, navy blue mattress style