The Allpet Care Pet Carrier boasts a simple, secure design, ensuring your pet's safety and comfort during travel. It features metal spring-loaded doors with locking clips on all sides and screws securing the corners, along with air vents on all sides for continuous airflow. Available in five sizes - Small (39cm H x 61cm W x 40cm D), Medium (47cm H x 68cm W x 51cm D), and Large (59cm H x 80cm W x 56cm D) - please check with your airline carrier for air travel acceptance.