This used HP5400WF Waterproof Hard Case with Foam from HPRC is lightweight, waterproof, and designed to carry and protect rifles, tripods, or light stands up to 44" long.
The case is black with a red handle and meets ATA 300 specifications for shipping cases. The hard-resin shell is virtually unbreakable, an interior rubber O-ring keeps the case air and watertight, and it has an air pressure release valve. The case is transported by a folding handle on the side or the top tow handle and built-in wheels.