The MOBiLE CLOTH DUO Pack The Duo gives you the best of all worlds... powerful weapons in the battle against fingerprints. The nano 4" x 4" is built for super speed and compact power when a dirty touchscreen situation arises. In case you need some backup we have included the nano's bigger brother MC Classic! At 9"x 9" the Classic won't back down to any fingerprint or smudge no matter the odds. To top off this dynamic Duo we have included our NEW slim line case to keep everyone safe, clean, and ready for action!