The round and friendly style, combined with the novel ventilation system, gives the cat more psychological care; this product uses simple design elements in the design style, and the function adds an air supply system, circulates air exchange, and improves the air circulation rate in the bag; Built-in temperature sensor, which automatically adjusts the wind speed according to the ambient temperature; according to the different personality of the cat, the visual area and the hidden area are scientifically divided, satisfy curious cats while also protecting sensitive cats.