Amazon Gold Box Deal: 30% Off NuPro Cell Phone Accessories! Posted on January 22, 2015 by Jeri Today only, Amazon is offering 30% off NuPro cell phone cases and screen protectors for iPhone 6, iPhone 6 Plus, and Samsung Galaxy Note 4. This one-day offer is valid on January 22, 2015, or while supplies last. Click here for this deal. Share the love: