The 1535L Air Carry-On Case is ready for any adventure. Pelican Air cases represent the toughest and lightest options available. Designed with super-light HPX² polymer construction, this case remains waterproof, crushproof, and dustproof, all while remaining up to 40% lighter than comparable polymer cases. Perfect for airline travel, an automatic purge valve protects against water, dust, and air pressure. This versatile case is ready to lighten any load while protecting valued possessions.