Modified polypropylene injection molded case. Equipped with practical pull retractable handle, with locking system and recessed wheels in the structure. The 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 regulation and geared for padlock closure. All enclosures are supplied with “eggbox” foam inside the lid, while the base, except the shaped models for guitar, has a customizable foam cubes, which allows to adapt the interior to wide range of equipment.