Petmate Top Load Cat Carrier Kennel 19"Veterinarian recommended, the top load design makes loading your cat much easier with a door that's two times larger than a standard front load carrier. Features Large top loading door 360 degree ventilation for ample airflow and visibility Vents on all sides and the top allows for superior airflow and visibility Sturdy construction combining heavy duty plastic and steel wire Screw and hex nut assembly for extra security Easy squeeze spring loaded