100% Made in the USA. Made from Polypropylene Copolymer, these cases are crush resistant, and virtually indestructible. This rugged case features an O-ring seal, which makes it Airtight and Watertight when submersed up to 3 feet. (Tested for 30 minute period.) The automatic air pressure release valve will equalize the air pressure, which allows this case to be airline friendly! It is ATA/TSA approved. This case comes without foam and has plenty of room for many different items, such as tools, paint brushes, and more!