Meet a tumbler built for precision and practicality—the Certified Mechanical Engineer Tumbler—perfect for mechanical engineers, engineering students, and gift-givers who value durable gear and a bit of humor. "Precision you can sip."

• Capacity: Available in 20oz and 30oz sizes to match your sip needs throughout a long workday.
• Color: Sleek black finish for a timeless, professional look.
• Material & Finish: Stainless steel core with a durable powder coating for long-lasting use and style.
• Insulation: Vacuum-insulated, double-wall construction keeps hot drinks hot and cold drinks cold for hours.
• Lid: Easy-clean, secure lid included to minimize spills and simplify sipping on the go.
• Care: Dishwasher-safe for simple, low-maintenance cleaning.
• Design: Features a funny mechanical engineer quote that adds personality without sacrificing professionalism.
• Durability: Built to withstand daily wear at the desk, site, or fieldwork with robust stainless steel and coating.

With this tumbler, you gain reliable temperature control for your favorite coffee, tea, or iced beverages—perfect for early-morning design reviews, late-night debugging sessions, or site visits. The double-wall vacuum insulation minimizes condensation and sweat, while the powder-coated finish resists chips and scratches. Its practical size options (20oz or 30oz) mean you can choose the right vessel for a full day of work or a short break. The humorous quote gives a smile to engineers and colleagues alike, making it a thoughtful Christmas gift for a friend or family member who loves engineering. Durable, easy to clean, and built to last, this tumbler travels well from office to workshop and beyond, helping engineers stay hydrated and focused throughout the day.