Slim case offers moderate protection: it snug on the phone and has a slim profile but leave some space open for the buttons and ports. This is great choice if you are not looking for something bulky.
Tough case is a more durable option. It has rubber side bumper protector that goes all the way around the phone. Slightly bulky than the slim case but suitable for anyone who are prone to dropping their phone.
All styles come with the back design as pictured.