MYBAT Premium Designer Hard Crystal Snap-on Case for Apple iPhone 3G, 3GS - Spring Flower Easy to install and take off. No tools required! Just snap the phone cover to your cell phone. Made of high quality plastic material durable and smooth which gives good protection to your cell phone. Slim and light weight add little bulk feeling to your phone. Customized made 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.