Cozy Paws Plastic Pet Carrier with Metal Door - 58x37x35 Hard-Shell Construction: Made from strong, lightweight polypropylene plastic that is impact-resistant and easy to clean.Secure Metal Door: Features a grid-mounted front wire door equipped with a spring-loaded locking system to prevent accidental escapes.Optimal Ventilation: Built-in side and rear air vents promote maximum airflow so your pet stays cool and stress-free.Reinforced Assembly: The top and bottom halves snap together with heavy-duty side latches and can be further secured using included screws.