Rimowa's Topas Aluminum cases are among the lightest and sturdiest cases in the world. The grooved aluminum-magnesium shells will protect against severe humidity and extreme temperature changes and stand up to the stresses of frequent travel. With first-class quality and fine interior details, Topas has everything required by the demanding traveler. Tough aluminum exterior Built in Combination lock console with double lock. Not that much used with some scratches as a nice patina on the outside. The inside is as new and the lock and opening button works well, includes the original dealer certificate. The outside has some small dents.