Name: car cold cushion Material: 3D honeycomb mesh, cool ice silk, ABS. Color: black, white, brown Size: 45*45 cm/17.72*17.72 inches Power supply: USB power supply EFFICIENT VENTILATION: Built-in high-speed fan motor, upgraded fan system, double-sided air intake, 50 deflector air columns for even blowing, powerful fan rotating at high speed, cold air micro-circulation system, low wind resistance and high wind pressure, drive away the heat, can achieve rapid cooling effect, instantly transfer the cool air to your buttocks, keep you away from the hot summer, enjoy the coolness of this car cooling seat cushion! THREE WIND SPEEDS TO CHOOSE: There are three speed settings to choose from (low, medium and high) to meet your different needs, whether it's a cool breeze and rapid cooling, making your summer driving more refreshing and enjoyable. WINDY LOW NOISE: The cushion is equipped with different height wind columns, so that the wind from both sides does not collide with each other, wind damage is small, windy and quiet. SUPER BREATHABLE FABRIC: This seat cover is made of double-layer 3D honeycomb mesh fabric, which provides your seat with stronger air circulation than other fabrics, even if you drive for a long time, it can also reduce the accumulation of heat and moisture, quick-drying and moisture removal, help you dissipate the heat better, without any hardness, elasticity is strong not to pinch your buttocks and not easy to collapse with pressure resistance. Both sides are designed with bumps of cool feeling ice silk to help you cool down while promoting blood circulation, which is great for summer and prevents the burning sensation of sitting on leather seats during the day. NON-SLIP BOTTOM: The bottom of the cushion has non-slip particles, which are very grippy to keep it firmly in place, so you can adjust your sitting position as you like without worrying about the cushion being moved.