Proel PPCASE07 PP CASE Series Modified Polypropylene Injection Molded CaseThe PPCASE series of Proel cases, built with high quality standards, have been designed and created to transport and protect sensitive equipment even in extreme conditions. All the cases are constructed of injection molded PP compound material that protects against rust and corrosion, they are waterproof, dustproof and reinforced in each corner for maximum strength and durability; they are also equipped with a valve for the internal pressure