Protective from the inside out Survivor Strong s dual-material snap-on shell uses Griffin s exclusive system to protect your phone within its shatter-resistant shell and keeps it safe from impacts. Light meets strong There s strength in that ultra-slim profile. Tipping the scale at less than two ounces, Survivor Strong is light, but delivers heavy-duty protection. Strong two-layer shell Inside, Survivor Strong surrounds your phone in a rigid, dent-preventing polycarbonate shell. Outside, a scuff-proof, sure-grip layer is easy to hold on to, but slides easily into your pocket.