Gaiam Lumo Lift Balance Disc Kit Lumo Lift tracks your posture, calories burned, and number of steps taken Balance Disc engages your core muscles Working together, these two tools improve your posture and strengthen your core Includes Lumo Lift, 2 clasps, 1 clip, USB cable and charger, and Balance Disc Lumo Lift Dimensions: 1"W x 175"L x 025"H