Sure they will. It doesn't have to withstand drop from top of building. Just drop from pocket most of the time. A bit of plastic definitely cushions the blow.

Sure they will. It doesn't have to withstand drop from top of building. Just drop from pocket most of the time. A bit of plastic definitely cushions the blow. Otter Box seems to be one of the most popular that I see, and it is definitely made to offer some protection.