This ProMaster 128GB Rugged UHS-II SDXC V60 memory card twin pack is a terrific value for not one, but two identical cards that represent the best in durability along with impressive speeds. Shockproof – up to 3 times more impact-resistant than normal memory cards. Waterproof – Sealed design protects against full submersion for up to 72 hours. IP68 ingress protection rated. All-weather – SD cards work from -13°F to 185°F (-25°C to 85°C). Tough and fast, ProMaster Rugged Cards are designed to keep your work and memories safe! Their molded design is the result of a unique manufacturing process making the cards up to 3 times stronger than normal memory cards. Industrial grade internal components offer maximum protection against water, high humidity, extreme heat and cold, and impact. The lock switch and thin plastic ribs typically found on standard S2 cards (128GB each) included D cards have been removed to offer additional protection against physical failure. Additionally, Rugged SD Cards come in a bright red color that is easy to spot if dropped.