B&W"s Outdoor cases were developed and tested for the most extreme conditions. These cases will provide the protection and security your valuables need in whatever environment you choose to expose them to. Unlimited Lifetime Guarantee. Waterproof. Weatherproof. Dustproof. Shock resistant. Corrosion proof. Chemical resistant. Air pressure relief valve. Fully customizable interior. Temperature tested between -40°C to +80°C. Made from Ultra High-Impact ABS plastic. Durable rubber O-ring seal. Drop tested from a height of 3 meters. Watertight seal - tested to a depth of 5 meters