This handy flight case is a great combination of heavy-duty protection and easy transportation. It is ideal for travelling with your valuable items. Multiple protection: A tough outer shell allows shock resistance, while a strong seal creates water protection. The lockable function of the road case also adds extra safety. Portable design: Practical wheels and a retractable pull handle allow you to take the hard case more conveniently. Soft foam insert: The transport case comes with removable foam inserts to store your belongings snugly and safely. Pressure valve: The pressure valve can maintain the balance between internal and external pressures to help the toolbox adjust better at different elevation levels. Durable material: The flight case with foam is made of polypropylene and ABS, which makes it corrosion and temperature resistant.