sealy beds for sale in trichy growell beds and furnitures trichy a "Reversible 4 Inch Cool Gel Foam King Size Mattress" typically refers to a mattress designed with multiple layers, including a cooling gel-infused foam layer, and is reversible for extended use This layer is infused with cooling gel particles or beads, which help regulate temperature and dissipate body heat. The gel-infused foam provides a cooler sleeping surface compared to traditional memory foam mattresses, making it ideal for individuals who tend to sleep hot or experience night sweats