Yooperlite Good BoySKU: YOOPGB$20.00PriceYooperlite Good BoyQuantity*Add to CartPRODUCT INFO RETURN & REFUND POLICYSHIPPING INFO Yooperlite Good Boy. 5 cm Yooperlite is a UV-reactive stone from the shorelines of Lake Superior. The red/brown color glows orange under a blacklight.