Golden Ratio Beardy with the relevant formula. These black mugs come in one size – 15oz (0.44l) – plenty for morning caffeine boosts and hot cups of tea on a rainy day. They're easy to grip and feel sturdy thanks to the C-shaped handle. They'll be printed on the black ceramic material in picture-perfect quality with a glossy finish.
 
Black ceramic material with a glossy finish
One size: 15oz (0.44 l)
C-shaped easy-grip handle
Lead and BPA-free