While safeguarding your sensitive equipment, the Pelican Protector Case has been the go-to solution since 1976. This durable, protective case is designed to withstand the harshest environments on earth, from the extreme cold of the Arctic to the intense heat of battlefields. Crafted in the USA, these robust cases feature an automatic purge valve that equalizes air pressure, a watertight silicone O-ring lid for superior water resistance, over-molded rubber handles for comfortable handling, and stainless steel hardware for enhanced durability.Complementing the rugged design of the Pelican Protector Case is our exclusive TrekPak system, a trusted choice for the precise protection of your gear. The TrekPak system utilizes rigid panels that are just 7/16" (1.1cm) thick to create a precise grid of protection without wasting any space. The dividers are easily adjustable, with the included double blade cutting tool ensuring a perfect cut every time. The TrekPak system, along with the included 1" (2.54cm) bottom foam and convoluted lid foam, forms a 360-degree protective cocoon inside your Pelican case. The kit includes two perimeter wall panels, two 20" (50.8cm) dividers, two 15.75 - 18.75" (40.005 - 47.625cm) dividers, one 6 - 8" (15.24 - 20.32cm) divider, all divider panels with a 5" (12.7cm) height, twenty pins and pull tabs, one cutter tool, and convoluted lid and bottom foam. Whether you're transporting photography equipment, digital cameras, lenses, pro audio & video gear, or musical instruments, the 1560TP Large Case with TrekPak Divider System and 1563 O-Ring in Black offers the ultimate in sturdy, rugged protection.