http://www.amazon.com/SPIGEN-Protective-Sprint-T-Mobile-International/dp/B00ELMXYAG/ref=sr_1_3?ie=UTF8&qid=1395215367&sr=8-3&keywords=lg+g2+case Check this one out. I have it, and its AWESOME. It's a good combination of sturdy, strong, and slim. I've dropped my phone about 4-5 times already in this case and not even the case has a little scratch on it. And the back color can be switched out as well.
I've been using this one. No complaints, decent case.
http://www.amazon.com/gp/aw/d/B00ELMXYAG?pc_redir=1401144595&robot_redir=1