Lightweight & perfectly balanced. Built-in signal flag system. Two sizes, each with left or right model. Medium - 8 in. x 3 in. x 1 in. Large - 10 in. x 3.5 in. x 1 in. Weight: Approximately.5 pounds.WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. www.P65Warnings.ca.gov.