All4Cellular offers the LifeProof Waterproof Case for Apple iPhone 4 / 4S in Black (pictured) or Gray/White for $49.95. Coupon code " LIFE5" cuts it to $44.95. With $2 for shipping, that's the lowest total price we could find by $3, although we saw it for $7 less two weeks ago. It features 6.6-foot drop shock protection; it's also waterproof to depths of 6.6 feet. Deal ends October 24.