- basically a rectangular tank bag shaped like a laptop. Designed with the room needed to hold a laptop plus the additional “stuff” we all seem to need. Made to zip to the Tank Locker system baseplate. Constructed of 1000 denier DuPont Cordura™ in black only. Has a padded bottom and securing strap to hold your laptop, hard rubber carry handle, and locking zippers. Internal Dimensions: 14” long…13.5” wide….5” deep.