Durable, lightweight Carbon Fiber and nylon Components Features carabineer clip for secure attachment and easy release Easy-access quick use pen & easy-access touch-screen capacitive stylus for convenient use with iPads, iPhones, Android devices, and other touch screen devices Features a replaceable pressurized blue ink cartridge that gives the Inka Mobile it's amazing ability to write in extreme conditions Engineered to write in all conditions - underwater, at any altitude, in temperature extremes and at any angle.