For added convenience, many waterproof hard cases come equipped with ergonomic handles, durable wheels, and secure latching systems. Automatic pressure equalization valves are also standard, preventing vacuum lock and making the cases suitable for air travel. wholesale plastic rugged case, Large Plastic Case, Rack Case, Electronic Carrying Case,Carry Case For Ar 15. Tsunami Case is a premier manufacturer of high-quality waterproof hard cases, designed to provide superior protection for valuable items in various conditions. Our cases are not only waterproof but also shockproof, crushproof, and sandproof, ensuring that your equipment remains secure and intact regardless of the environment. The product will supply to all over the world, such as Europe, America, Australia,Libya, Italy,Borussia Dortmund, Saudi Arabia.Tsunami Case is a premier supplier of high-quality waterproof hard cases, specializing in rifle and gun cases. As a leading manufacturer in the industry, Tsunami Case operates a state-of-the-art factory equipped with 30 advanced injection molding machines and 1,500 molds, ensuring efficient production and diverse design capabilities.