Fashionable design USB flash disk, high quality metal rotating housing, durable dustproof, with key ring exclusive design to prevent loss. It's best for large conferences, public relations activities, exhibitions, etc., will be presented to participants as gifts and souvenirs. High-speed USB 2.0 flash drive for fast data transfer. Moisture-proof precision design for permanent preservation of important data. 1 1/2"x 5/8"x 1/4"