Compatibility – fits devices up to 6. 6 inch diagonal. Extra space to store credit cards, ID card, cash, coins and other belongings while playing outdoors sports.IPX8 certified – superior water-resistant protection. Offers waterproof/ snow proof/ dirt proof protection for your device while maintaining full touch screen functionality.Screen-touch sensibility – transparent Windows on both sides allow full touch screenFull protection – lightweight Polyvinyl Chloride (PVC) casing with a simple snap and lock access, safeguard your device against water, snow, dust and dirt.Wider Strap – designed with a strap that is wider than other normal Strap in the market. More comfortable to wear and not easy to intertwine.