The gel 3D three-dimensional breathable structure design, the gel particles are arranged in an orderly manner, forming a plurality of normal airways, allowing the seat to circulate and ventilate, and take away the hot and humid air to cool down and sweat in an orderly manner. No electricity, no refrigeration, automatic cooling, instant cooling, low carbon and environmental protection, recycling. Keep cool, don’t sweat, don’t get hot, don’t sultry after sitting for a long time, cool and cool all summer.