AIMO Dazzling Diamond Bling Case for ZTE Concord II Z730 [T-Mobile, MetorPCS] - (Butterfly - Black) Hard plastic phone shell adorned with sparkling rhinestones and glitter on plastic case. Adorned with shimmering rhinestones. Custom fit for your model phone allowing the phone to be fully functional with the case on. Easy to install - simply snap on. No tools required.