Keep Calm I'm a hacker! - Matte Black Magic Mug (black text)

Keep Calm I'm a hacker! is a color-changing ceramic mug designed for tech lovers who love a good surprise with their coffee. The matte black finish hides a playful print that only reveals itself when the mug gets hot—because turning up the heat in the morning should be a little bit fun.

Key Features & Design

• Material: Ceramic
• Finish: Black matte finish when cold
• Color-change feature: Reveals the print when exposed to hot liquids
• Dimensions: height 3.85" (9.8 cm), diameter 3.35" (8.5 cm)
• Origin: Made in China. Printed in the USA and EU
• Note on opacity: The coating may not be 100% opaque on every mug, so a faint outline of the design might peek through in some cases.
• Care: Do not microwave or dishwasher—exposure to heat beyond recommended can damage the coating.

Bold, witty, and practical, this matte black magic mug turns every sip into a tiny moment of levity—without sacrificing everyday usability.