With a robust built-in trolley and resistant wheels and a padded shoulder strap. All the Orca sound bags offer a lot of protection with their durable external aluminum frame, internal honeycomb frame, and layers of foam and EVA. The bags have a flexible internal organizer that can be configured according to the sound tech's needs, two external pockets to keep additional accessories, and two special external pockets to hold any kind of boom post. The OR-48 bag also comes with a special "tray" on the top of the bag with a zipper allowing for easy access to the accessories and extra protection for the audio accessories in the top of the bag. The tray can also be used as a table to help sound technicians mix on location. The bag comes with special headphones and LED lights.