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Leak Proof Double Walled Coffee Mug

Discover the ultimate beverage companion engineered for modern life. For those who demand their coffee or tea to stay at the ideal temperature for hours, our premium 12 Oz Double Walled Coffee Mug offers the perfect compact size. Need a larger capacity for your morning brew? The spacious 16 Oz Double Walled Coffee Mug is designed for you. Each mug is crafted with precision to be completely spill-proof, making it the ideal Travel Double Walled Coffee Mug for commutes, road trips, or desk use. We understand that security is paramount, which is why every model comes as a With Lid Double Walled Coffee Mug, featuring a patented locking lid mechanism that guarantees no leaks, even when tossed in a bag.


The Leak Proof Double Walled Coffee Mug is not just about preventing spills; it's a masterpiece of thermal engineering. Its core technology lies in the advanced double-wall vacuum insulation. This creates a powerful barrier that locks in temperature, keeping hot drinks steaming for up to 6 hours and cold beverages chilled for up to 12 hours. The exterior wall remains cool to the touch, eliminating the need for uncomfortable sleeves and protecting your hands. Built from high-grade, durable stainless steel, it resists dents, odors, and stains, promising years of reliable service. The sleek, modern design is both elegant and ergonomic, providing a comfortable, secure grip.

Detailed Product Specifications

Model Capacity (Fluid Ounces) Height (with lid) Weight Heat Retention (Hours) Cold Retention (Hours)
Standard 12 oz 12 oz / 355 ml 6.2" / 15.7 cm 12.3 oz / 349 g 5 10
Large 16 oz 16 oz / 473 ml 7.1" / 18 cm 14.1 oz / 400 g 6 12
Travel 16 oz 16 oz / 473 ml 7.5" / 19 cm 15.9 oz / 450 g 6 12

Every Leak Proof Double Walled Coffee Mug is designed with user convenience in mind. The lid assembly is intuitively simple: a secure, slide-to-lock mechanism or a twist-on design with a reliable seal. A dedicated drink opening allows for smooth sipping without spills, while the lid can be fully closed for absolute peace of mind during transport. The wide mouth opening facilitates easy filling, cleaning, and is compatible with most coffee machine spouts. Whether you are an avid traveler, a busy professional, or simply someone who appreciates a perfectly temperature-controlled drink, this mug integrates seamlessly into your daily ritual, delivering consistent performance and unmatched leak-proof confidence.

Hot Products

  • Travel Mug with Lid

    Travel Mug with Lid

    Jianyang's durable travel mug with lid can keep warm for hours even in cold environments. It features a well-designed exterior, an easy to clean stainless steel liner, and a convenient locking design that can be easily operated with one hand. This 16 ounce double-layer insulated stainless steel travel mug can be printed with your information and comes with a leak proof nozzle cover.
  • Small Mouth Water Bottle

    Small Mouth Water Bottle

    Whether enjoying coffee or tea on the commute or savoring whiskey by the campfire, Jianyang's high-quality small mouth water bottle can be your companion for creating wonderful memories. If you want a wide mouth design water bottle, we also have many styles, you can contact us anytime for customization!
  • Steel Coffee Mugs

    Steel Coffee Mugs

    Explore Jianyang's rich and durable steel coffee mugs series, our materials have excellent insulation effects that can keep your drinks hot or cold for hours. These cups are made of durable and high-quality materials, allowing you to enjoy your favorite drink no matter where you are. The cup lid features an anti overflow design and conforms to ergonomics, providing convenience and comfort. We provide customized services with various fashionable designs and sizes, allowing you to match your personal style according to your actual situation. Use our steel coffee cups now to enhance your coffee experience!
  • Large Sports Bottle

    Large Sports Bottle

    Using Jianyang high-quality large sports bottle can keep you fresh, hydrated and always in top condition. This water bottle is specially designed for modern and energetic people. It not only meets your need for reliable hydration but also retains a fashionable style. Designed specifically to fit the car cup holder, it is a great water bottle for long drives and daily commutes. Welcome to inquire with us!
  • Stainless Steel Sports Bottle

    Stainless Steel Sports Bottle

    JIanyang is a factory in Zhejiang, China, which has been manufacturing stainless steel sports bottles for decades. We love products, challenges, cycling, running and interpersonal communication. The birth of this product originated from years of communication and a bad experience: the water in the old cross-country skiing water bags we drank only had moldy, stale water and a strong plastic smell. Realizing that no water bottle on the market could simultaneously meet our demands for performance and health benefits, we resolutely devoted ourselves to the research and development of sports water bottles.
  • Metal Water Bottle

    Metal Water Bottle

    Jianyang's high-quality metal water bottle is easy to carry and suitable for both school and leisure activities, as we consider all aspects from the user's perspective. The material does not contain harmful chemicals such as estrogen analogues, bisphenol A (BPA), and phthalates, providing you with a safer drinking experience. Leak proof bottle caps are also easy to carry, so even if the adventure is wilder, you don't have to worry!

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