The Pelican 1535 Air Carry-On Case is among the toughest and lightest cases Pelican has to offer. This carry-on travel case is the maximum airline carry-on size, so you can travel with your sensitive gear close at hand. Built with an ultralight proprietary HPX² polymer, this case is up to 40% lighter than an average polymer case, yet it's still extremely durable. Plus, it's waterproof, crushproof, and dustproof, so it's perfect for a wide variety of gear, from camera equipment to camping kits. Automatic pressure equalization valve balances interior pressure and keeps water out. The 1535 Air Carry-On Case from Pelican also features Press and Pull latches, a retractable extension trolley handle, stainless-steel bearing wheels, stainless steel padlock protectors, waterproof O-ring seal, fold-down handle, and a business card holder. IP67 and MIL-SPEC certified. Mfrs. limited lifetime warranty. Largest airline carry-on size Waterproof, crushproof, dustproof Made of ultralight HPX Polymer up to 40% lighter Press and Pull latches Retractable extension trolley handle Stainless-steel bearing wheels Automatic pressure equalization valve Stainless steel padlock protectors Fold-down handle