T-Mobile Tech21 iBand Impact Protection D30 Shell Case For Samsung Samsung Galaxy S 4G SGH-t959V - Grey
D3O is a revolutionary substance that provides the ultimate impact protection for your device. Upon impact, the intelligent free flowing molecules in D3O instantly lock tight together to absorb shock and disperse energy. The band, which is made from D3O, acts as a high-tech force field for your Samsung Galaxy S 4G phone.