IRIS PLAZA Summer Cooling Salt Gel Mat 90 X 140 Cm Ice Instant Cooling Effect of In Just 2 Minutes of Value of Approximately 5 Times the Durability of

On top of the futon, mattress, or pillow Instant cooling gel + long-lasting cooling sensation + urethane content It stays cold for a long time and has a soft, bouncy feel thanks to the urethane filling. Each time I turn over in my sleep, I feel a pleasant coolness. Cannot be washed.