Get a Free Maxboost Slim iPhone 5/5S Case! They will post a coupon code on their Facebook wall today at 4:30pm EST (3:30pm CST, 2:30pm MST, 1:30pm PST) so when they do use that coupon code and click the link they provide to purchase one through Amazon for Free with Free Shipping. Don’t forget to Like their Facebook page. This offer is valid for the first 150 only! Limit one Free case per month per account.