Popular Rhinestones Protector Case for Samsung Galaxy S II (T-Mobile) T989, 3D Bow Tie (Smoke/Black) Easy to install and take off. No tools are required! Just snap the phone cover to your cell phone. Form-fitting front and back hard shell snap-on covers All accessories are premium quality and manufactured for the Samsung Galaxy S II/ Hercules T989 (T-Mobile) Customized make to fit your cell phone with opening to all connections and controls. Designed to fit your phone perfectly and can be installed/removed easily Helps to protect against shock and surface damage caused by accidental drops.