eForCity&reg; Reusable Screen Protector Compatible With Apple&reg; iPhone&reg; 4 / 4S This screen protector compatible with Apple?iPhone?4 features easy to install installation steps. Installation steps may be found on the two tabs on the front and back protector layer. Please apply the screen protector gently in order to avoid too much pressure onto the screen.Please do not perform installation in a dusty environment. Please read installation steps from the two tabs on the front and back protector layers before performing installation. Offers tough, durable, transparent surface while keeping the LCD screen clean and unscratched. Attaches smoothly with self-adhering surface. Leaves no residue when removed. Features: 99% UV Protection: Reduces eye strain caused by the LCD screen. Anti-Scratch Film: thickest and most durable. 99% Transparent: unmatched clarity. Washable and Reusable: Never need to buy another screen protector again. Silicone Adhesive Coating: No glue residue when removed. Ultra Smooth Surface: Enhance the experience and utilization of touch screen and stylus features. Includes: Reusable Screen Protector. Lint-free Cleaning Cloth. Accessory ONLY, iPhone?not included."Apple?iPod? iPhone? or iPad?are registered trademarks of Apple, Inc. Products are Apple?compatible and not endorsed by Apple, Inc.