1" ID, 2 1/4" deep provides ample storage space for almost any need Aluminum construction makes this pill organizer virtually indestructible L box organizer is waterproof with rubber O-rings Ideal for travel and weighs only 0.5 oz Key ring attachment allows for secure installation We only sell pill dispensers, not other items in the picture. Due to the differences between different monitors, the pictures may not reflect the actual color of the ‘item. Due to manual measurement, please allow a slight error in size.