Peli Air Cases are the first products in a series of remarkable innovations developed by Peli, the pioneer of protective cases. For over 40 years, Peli has been designing and manufacturing the most significant protective cases in the world, and Peli has much more in store. With the introduction of the Peli Air model line, Peli is redefining future protection with an impressive combination of lightweight design and durability. The automatic pressure equalization valve prevents water and dust from entering when air pressure is balanced.