The Piss Off, I'm Busy Glass Mug

People just really don't take a hint sometimes, do they? Let your mug politely let people know that you're a little busy right now! A glass mug perfectly designed for your morning cup of get-up-and-go or that late afternoon survival fuel. MUG DETAILS Height 10cm | Overall Width 13cm | Diameter 8.5cm Glass is safe to use with warm and cold beverages. PRINT DETAILS The Darwin & Gray Design is fired professionally onto the glass surface. Please Note: Whilst the design is completely sealed onto the surface we still best advise that you avoid microwaves and dishwashers to maintain the glossy finish of the piece.