Thin is in with the new Membrane the world s thinnest lightest iPhone 4S/iPhone 4 case. Weighing in at just over 0.1oz and measuring just 0.35mm thin the Membrane adds smooth amazingly thin scratch protection to the back and sides of your new iPhone with virtually no added bulk. Includes one free sheet of protective film for the display as an added bonus.Marware Inc. is an independently owned U.S. based corporation located in Hollywood Florida. Their primary focus is designing and producing accessories - to protect your accessories as if they were their own - for the Apple Amazon Kindle and mobile electronics markets. They"re committed to offering the coolest cases and accessories for all your electronics backed by their superior quality innovation style and functionality. Along with designing cases and accessories they also develop software applications for the Mac and iPhone.Features Compatible with all iPhone 4S/iPhone 4 devices and carriers World’s thinnest iPhone 4S/iPhone 4 case measuring just 0.35mm World’s lightest iPhone 4S/iPhone 4 case weighing just over 0.1oz Polypropylene case protects from scratching Bonus protective film guards display Includes: Polypropylene shell case Protective film for display