SKB Cases 3I-0907-4GP2 iSeries Double GoPro Camera Case (Black) Custom foam interior to hold two Gore camera up to the Hero 4 Ultra high-strength polypropylene copolymer resin Patent pending " mini trigger release" latch system Complete gasket seal makes these cases absolutely watertight (MIL-STD-C-4150J) Resistant to corrosion and impact damage