SKB ISERIES CROSSBOW CASE BLACK RAVIN R500 SNIPER R500E SKB iSeries Injection Molded Mil-Standard Waterproof Cases are molded of ultra high-strength polypropylene copolymer resin, featuring a gasket-sealed, water and dust tight, submersible design (MIL-STD 810G) that is resistant to corrosion and impact damage. Foam lined case includes a molded-in hinge, padlock loops, patented trigger release latches, snap-down rubber over-molded cushion grip handle, automatic ambient pressure equalization valve.