SopiGuard Brushed Gunmetal Grey Vinyl Skin for Microsoft Surface Pro 4 SopiGuard skins are designed, produced and distributed in-house, right here in the United States, meaning our customers enjoy premium quality products and reliable customer service. Safeguard your smartphone, tablet and mobile devices with our exclusive carbon fiber skin, precision-cut to give you smooth, edge-to-edge protection. Each custom-fit carbon fiber skin makes your device look sleek and professional while providing advanced defense against scratches, bumps and scrapes. Carbon fiber skins from SopiGuard are easy to install because they feature air release channels. This means no bubbles, creases or fingerprints during installation. Our skins are crafted using high-density, ultra-thin PVC Vinyl which offers superior protection and a beautiful design all in one.