Pelican(TM) Air cases are the first in a series of remarkable innovations engineered by Pelican, the pioneers of protective cases. For over 40 years Pelican has designed and crafted the most influential protective cases in the world, and we're just getting started. With the launch of the Pelican(TM) Air line of cases, we're redefining the future of protection with a remarkable union of light and tough.Features :"Interior: 17.8" x 10.2" x 6.2""Super-light proprietary HPX^2(TM) PolymerBusiness card holderAutomatic Purge Valve - Keeps water and dust out while balancing air pressure