Peli Product 1535 Air Case With Foam (Internal Dimensions 518x284x183mm) At up to 40% lighter than other polymer cases Pelican Air cases lighten the loads of the dedicated pros across the world who have set out to change the game.Pelican 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 they are just getting started.With the launch of the Pelican Air line of cases they are redefining the future of protection with a remarkable union of light and tough.