Front Opening Terrariums for easy access and added security. Front Opening Doors for Easy Access. Removable/Replaceable Doors. Powder Coated Rust Resistant Screen. Plastic Inserts to Help Maintain Heat and Humidity. 4” Water Tight Bottom (3” on 12x12x15).Dual Screened Hinged Lid for Easy Access and Better Airflow. Very Tight Small Door Gaps and Locking Pins for Added Security. Realistic Rock Foam Background.