Outside, the case is made entirely of hard plastic, so it feels quite sturdy, with very little give. A latch on the front holds it securely shut, but can be easily lifted when necessary. Beneath that is a pressure release valve. Pelican claims its case can withstand three feet of submersion, as well as drops from the same height. Included with the holder is a nylon shoulder strap with an arm pad—not the fanciest thing in the world, but an easy…