The i Band is constructed from the revolutionary d 3o an intelligent material that locks its molecules together on impact to absorb the energy of a shock & provide superior protection for your iPhone 4G. The i Bands unique structure safeguards your iPhone, without compromising its stylish design. The i Band 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 4G. The clever bit &8218;&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 4G in a protective layer. Full functional access With full access to all ports & controls, the i Band offers a slimline & stylish way to safeguard your iPhone 4G, while you enjoy full functionality. Benefit from the ultimate, revolutionary protective shield for your iPhone 4G, 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.