The SKB 24" x 21" x 7" iSeries Case with Wheels is a rugged, injection-molded protective case designed to keep your valuable gear safe in the harshest conditions. Constructed from high-strength polypropylene copolymer resin, this case is waterproof, dustproof, and impact-resistant, meeting MIL-STD-810G military testing standards. The interior is fully customizable with cubed foam, layered foam, or no foam options, allowing a secure fit for various equipment. The trigger-release latching system ensures a secure closure, while the built-in pressure equalization valve maintains internal stability during air travel. For effortless transport, the case features smooth-rolling, in-line skate wheels and a telescoping pull handle, complemented by molded grab handles for versatile carrying options. Whether for professional audiovisual, photography, military, or industrial applications, this American-made SKB iSeries case delivers premium protection and long-lasting durability.