Start the day with a cup that speaks your language. This glossy black ceramic mug carries a retro terminal-style message — ERROR_404: IDENTITY_NOT_FOUND — framed in an off-white band that looks like a vintage system alert. The design feels quiet, wry, and a little rebellious: it’s for people who code, tinker, or simply love techy humor and offbeat statements. Hold it in your hands while you debug, write, or just stare out the window. The dark finish makes the message pop and gives every sip a cinematic, late-night vibe. Choose 11oz for a compact desk companion or 15oz when you need a longer pour. Practical features like dishwasher and microwave safety mean it fits into a busy routine without fuss.

Product features
- Glossy 100% ceramic black mug — sleek, reflective finish
- Available sizes: 11oz (0.33 L) and 15oz (0.44 L)
- Dishwasher- and microwave-safe for everyday use
- C-shaped easy-grip handle; lead-, cadmium-, and BPA-compliant
- High-quality vibrant printing that keeps colors crisp

Care instructions
- Clean in dishwasher (put the product on top rack), or wash by hand with warm water and dish soap