Made from crush resistant EVC material. Includes a handle that a seat belt can slip through to provide safety during transport. Small holes provide ample airflow but are only 1/4" in diameter. 6.7" long, 5.9" wide, 5.5" high (17x15x14cm). NOTE: A bat can cling to all inside surfaces, including the zipper area. To prevent any accidental injury to a bat it is recommended that you use your fingertip to cover the zipper on the inside as the case is being unzipped.