{"product_id":"engineer-by-day-ninja-by-night-two-tone-coffee-mug-gift","title":"Engineer Gifts by Day, Ninja by Night Funny Mother's Day Two Tone Coffee Mug, Gifts from Friends, Engineer Mug, Ceramic, Microwave and Dishwasher Safe","description":"\u003cp\u003eThis 11oz two-tone ceramic mug is printed with \u003cem\u003e\"Engineer By Day. Ninja By Night.\"\u003c\/em\u003e — a straightforward acknowledgment that engineers contain multitudes. Available in four color combinations (White\/Black, White\/Pink, White\/Navy, White\/Red), microwave safe, and dishwasher safe. A functional, funny gift for the engineer in your life at $19.95.\u003c\/p\u003e\u003ch2\u003eTwo-Tone Design — What It Means and Why It Matters\u003c\/h2\u003e\u003cp\u003eA two-tone mug has a white exterior where the quote is printed, with a colored interior and a matching colored handle. The result is a mug that looks intentional rather than generic — the color shows up when you look inside or grab the handle, which makes it feel more considered than a standard all-white or all-black mug.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eEngineer By Day. Ninja By Night.\u003c\/strong\u003e quote is printed on the white exterior surface. It's the kind of message that reads immediately and doesn't require explanation — engineers get it, and so does anyone who's worked alongside one.\u003c\/p\u003e\u003ch2\u003eMug Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 11oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Two-tone — white exterior with colored interior and handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors available:\u003c\/strong\u003e White\/Black, White\/Pink, White\/Navy, White\/Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrowave safe:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDishwasher safe:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice:\u003c\/strong\u003e $19.95\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing a Color\u003c\/h2\u003e\u003cp\u003eAll four color options share the same quote and white exterior — the difference is purely the interior and handle color. A few ways to think about it:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite\/Black\u003c\/strong\u003e — the most versatile; works for any engineer regardless of style preference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite\/Pink\u003c\/strong\u003e — a good choice when buying for a female engineer or someone who gravitates toward warmer tones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite\/Navy\u003c\/strong\u003e — clean and professional; works well in office settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite\/Red\u003c\/strong\u003e — bold choice; stands out on a desk or in a break room\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho This Gift Is For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriends or coworkers\u003c\/strong\u003e of an engineer who want something specific and functional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFamily members\u003c\/strong\u003e buying for an engineer who already has everything\u003c\/li\u003e\n\u003cli\u003eAnyone who's tried to find a funny engineer gift that isn't a calculator-shaped item or a generic \"engineering\" novelty\u003c\/li\u003e\n\u003cli\u003eSomeone shopping for Engineers Week, a birthday, work anniversary, or just because\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMore Engineer Gifts to Explore\u003c\/h2\u003e\u003cp\u003eWe carry engineer-specific gifts across multiple mug styles and product categories. Browse \u003ca href=\"\/collections\/two-tone-coffee-mugs-for-engineers\" style=\"color:#00AAFF;text-decoration:underline;font-weight:bold;\"\u003eTwo-Tone Coffee Mugs for Engineers\u003c\/a\u003e to compare all two-tone styles and quotes, or explore \u003ca href=\"\/collections\/gifts-for-engineers\" style=\"color:#00AAFF;text-decoration:underline;font-weight:bold;\"\u003eGifts for Engineers\u003c\/a\u003e for the full range of engineer-specific products across categories.\u003c\/p\u003e\u003cstyle\u003e.faq-section details{border-bottom:1px solid #e0e0e0;padding:12px 0;}.faq-section summary{font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding-right:8px;}.faq-section summary::-webkit-details-marker{display:none;}.faq-section summary::after{content:\"+\";color:#00AAFF;font-size:1.3em;font-weight:700;flex-shrink:0;}.faq-section details[open] summary::after{content:\"−\";color:#00AAFF;}.faq-section details p{margin:10px 0 4px;line-height:1.6;}\u003c\/style\u003e\u003cdiv class=\"faq-section\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does the mug say?\u003c\/summary\u003e\u003cp\u003eThe mug is printed with the quote \"Engineer By Day. Ninja By Night.\" The text is printed on the white exterior of the mug. It is a straightforward, humor-forward message that acknowledges the dual nature of an engineer who brings problem-solving precision to work and a different kind of energy outside of it.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat does \"two-tone\" mean for this mug?\u003c\/summary\u003e\u003cp\u003eA two-tone mug has a white exterior — where the quote is printed — with a colored interior and a matching colored handle. This mug is available in four color combinations: White\/Black, White\/Pink, White\/Navy, and White\/Red. The color shows on the inside of the mug and on the handle, giving it a more intentional look than a standard single-color mug.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow big is this mug?\u003c\/summary\u003e\u003cp\u003eThis mug holds 11oz, which is a standard coffee mug capacity — suitable for a full cup of coffee, tea, or any hot beverage. It is sized for everyday desk or kitchen use and is compact enough to fit in most standard cup holders and mug racks.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs this mug microwave and dishwasher safe?\u003c\/summary\u003e\u003cp\u003eYes — this ceramic mug is both microwave safe and dishwasher safe, making it a practical choice for everyday use. There is no need to hand wash or avoid reheating, which is a practical advantage over novelty mugs that require special care to preserve the print.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhich color combination should I choose?\u003c\/summary\u003e\u003cp\u003eAll four colors share the same white exterior and printed quote — the choice is about the interior and handle color. White\/Black is the most universally versatile option. White\/Pink is a good fit for female engineers or those who prefer warmer tones. White\/Navy is clean and professional, suitable for office environments. White\/Red is the boldest choice and stands out most on a desk or in a break room.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs this a good gift from a friend or coworker?\u003c\/summary\u003e\u003cp\u003eYes — this mug is specifically framed as a gift from friends and fits casual colleague or coworker gifting budgets at $19.95. It is practical enough to be used daily and specific enough to feel like more than a generic office gift. It works well for birthdays, Engineers Week, work anniversaries, or end-of-project recognition.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is the mug made from?\u003c\/summary\u003e\u003cp\u003eThis mug is made from ceramic. Ceramic is a standard, durable material for coffee mugs — it retains heat well, is safe for both microwave and dishwasher use, and holds printed designs without requiring special care or hand washing to maintain the print quality over time.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e[{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"Engineer Gifts by Day, Ninja by Night Funny Mother's Day Two Tone Coffee Mug, Gifts from Friends, Engineer Mug, Ceramic, Microwave and Dishwasher Safe\",\"description\":\"11oz two-tone ceramic coffee mug printed with 'Engineer By Day. Ninja By Night.' Available in White\/Black, White\/Pink, White\/Navy, and White\/Red. Microwave and dishwasher safe. 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