Set Deal Alert Click to activate an email alert when this deal is updated Concord Keystone ECO Waterproof iPhone 4 Case $19 at kgbdeals 2 Comments 485 days ago by Ben in Mobile Accessories HOTNESS UNHOT kgbdeals has the Concord Keystone ECO Waterproof Case for iPhone 4S/4 (Blue) for $19 with free shipping. IPX8-certified case is waterproof up to 20 ft as well as sand and dust proof. $19