RT-BSPIP406 Back Mirror Film Protector For Apple iPhone 4. Product details: This is a Back Mirror Film Protector for Apple iPhone 4. It allows you to use your iPhone 4 back panel as a mirror. Our Protector uses silicone glue for easy installation, and the package includes finger-sized cleaning pads for cleaning your back panel before you attach the protector. The Protector is very slim, so it is fully compatible with most cases and accessories for the iPhone 4. Customer service support information: Toll Free: 1-888-248-2019. Contents: one Mirror Film Back Protector, two fingerpad wiping cloths, 1 squeegee card. Dimensions: 55.1mm x 111.7mm. Thickness: 0.1 mm (4 mil)