While the Pelican 1650 Watertight Wheeled Hard Case with Foam Insert in Black is unbreakable, watertight, dustproof, chemical resistant, and corrosion proof, it's the comprehensive protection it offers for your equipment that truly sets it apart. Crafted from Ultra High Impact structural copolymer, this rugged and durable case is designed to withstand the harshest conditions, ensuring your valuable items remain safe and secure.The case features an exclusive 1/4"" (6.4 mm) neoprene o-ring and Abs latches, creating a perfect seal that effectively keeps out water and dust. An automatic purge valve is included for quick equalization after changes in atmospheric pressure, making this case ideal for travel or use in varying environments.Inside, your equipment is cradled in high-density foam or padded dividers, providing superior protection against impact, vibration, or shock.