Otter Box Preserver Waterproof Case iPhone 5 - grey
Brand new in box, unopened.
Have one myself, great for underwater shots!

CES 2014: Otterbox and Lifeproof Set to Dominate the Case Market in 2014
https://www.iphonelife.com/blog/28861/ces-2014-otterbox-and-lifeproof-set-dominate-case-market-2014

Waterproof: fully submersible up to 6.6 ft. (2 m) for 30 minutes
DROP PROOF: protects device from drops up to 6.6 ft.
DUST PROOF: blocks entry of dust and debris particles
Two-piece case with snap assembly for easy installation
Built-in screen protector guards against scratches to the device touch screen