The design is deceptively straightforward, as LifeProof is composed of two rather plain-looking plastic halves. From the outside, it feels somewhat thin and cheap, though this may be attributable to the fact that it only weighs 28 grams. The rear piece has an O-ring running along its inner perimeter and the two halves snap together, forming an airtight seal. At the bottom is a small latch, which serves as an additional lock and also covers the Dockā¦