Stay strong. stay protected. The Tough D3O® Clear case is built to last day and night for ultra-strong phone protection. D3O® uses a self-strengthening. non-Newtonian technology that offers the thinnest. strongest. and the world’s best impact protection. The science behind this material is incredible– so yes. you can really drop it. With added D3O® protection. feel confident your phone is safe with 16-foot drop protection. Strong built-in magnets allow for easy MagSafe accessorizing and charging.