HARLEY DAVIDSON® FLAME LOGO MUG DUO HARLEY DAVIDSON® FLAME LOGO MUG DUO Share the joy of the open road! These two 12 oz. mugs (one blue and one rose) with gleaming silvertone band are perfect for a post-ride warmup, and a wonderful way for a couple to display their loyalty to the Harley legend. Ceramic. Dishwasher safe. Not microwave safe. Each is 3 1/2" diameter x 5 1/4" high.