With an ultra-slim design and superior impact protection, presidio grip is a line of premium grip iPhone cases unlike any other. ItÕs designed like a fortress, with a protective perimeter to keep shock away from your iPhone. Raised rubber ridges provide a no-slip grip on Speck presidio grip iPhone cases. Presidio grip features the impactium shock barrier, SpeckÕs innovative new shock-suppression technology that protects your device Without adding unnecessary bulk. Impactium is a Dynamic shock-absorbing material lining the interior of the case that absorbs and disperses shock from impact. Impactium absorbs 52% more shock from impact than traditional TPE rubber. Presidio grip is drop tested from 10 feet Multiple times by a third-party laboratory to test its superior protection from an extreme height, so you can be confident it will hold up to everyday drops. All Speck cases, including presidio grip, are lab tested for scratch resistance, chemical resistance, and precision fit. All presidio cases come with a lifetime limited warranty.