The Slim Fit case for the iPhone 4G is a great way to protect your iPhone whilst maintaining full usability. Made from 100% genuine leather & suede but still able to offer amazing performance with the addition of d 3o impact absorption technology. The Slim Fit case for iPhone 4G is constructed from the revolutionary d 3o an intelligent protective material that transforms from a soft flexible gel to a shock-absorbent casing on impact. Used by extreme sports brands & professional athletes from around the world d 3o offers unique impact protection for your iPhone. The clever bit&8230; At rest the molecules inside d 3o move freely making it soft & flexible while at the point of impact or shock the molecules lock together to spread & absorb the force safeguarding your iPhone in a protective layer. Full functional access With full access to all ports & controls the i Flip offers a slimline & stylish way to safeguard your iPhone while you enjoy full functionality. Benefit from the ultimate revolutionary protective shield for your iPhone without compromising its sleek design. Did you know? The protective d 3o material transforms from a soft flexible gel to a shock-absorbent casing on impact. d 30 is a specially engineered material made with intelligent molecules. They flow with the product but upon shock lock together to absorb the impact energy.