Celebrate science with a tumbler that blends practicality with personality. This stainless steel, black powder-coated tumbler is designed for the scientist in your life who appreciates a little humor on their daily routine — "Because I Am The Scientist. That's Why."

• Size & Capacity: Available in 20oz and 30oz sizes to fit your coffee habit and hydration needs throughout long research days
• Color & Finish: Sleek black powder-coated stainless steel for a modern, professional look
• Material & Build: Durable stainless steel construction built for daily use with long-lasting corrosion resistance
• Insulation: Double-wall vacuum insulation keeps drinks hot or cold for hours, reducing the need for constant refills
• Lid & Spill Protection: Clear, spill-resistant lid included to help prevent splashes during travel or desk work
• Engraving: Laser-engraved in our workshop for a permanent, fade-proof design (not printed or vinyl)
• Care: Hand wash only to preserve the engraving and finish
• Portability: Fits most cup holders, making it ideal for commutes, lab days, and on-the-go errands

The tumbler is not just a gift—it's a practical companion for scientists on the move. The superior insulation minimizes temperature swings, so coffee stays hot through meetings and data reviews, while iced drinks stay refreshingly cold during fieldwork or long shifts. The durable build handles daily use, and the laser-engraved message adds a personalized touch that’s sure to spark smiles in the lab, classroom, or office. Whether for a birthday, a holiday, or a thoughtful “just because” gesture, this tumbler delivers both utility and a bit of science-forward wit.