Insulated spill proof mug

When you're on the go, nothing beats a reliable stainless steel spill proof mug. Our collection is designed for everyday adventures, whether you're commuting to work, traveling, or driving. For the perfect single-serving size, our 16oz spill proof mug is a top choice. Need a larger capacity for those long days? The 20oz spill proof mug has you covered. And for the ultimate driving companion, our specially designed car spill proof mug ensures your drink stays secure and accessible. All our mugs feature advanced double-wall vacuum insulation to maintain your beverage's temperature for hours. The secure, leak-proof lid is engineered with a sliding lock mechanism, preventing spills even when jostled or tipped over. Constructed from high-quality, food-grade 18/8 stainless steel, these mugs are durable, rust-resistant, and free from flavor transfer. The ergonomic, comfortable grip and slim design make them easy to hold and fit perfectly in most car cup holders and bag pockets.


The ThermalGuard Pro Insulated Spill Proof Mug represents the pinnacle of portable drinkware technology. Every component has been meticulously engineered for maximum performance and user convenience. Its construction begins with premium 18/8 stainless steel for the body, ensuring durability and purity of taste. The double-wall vacuum insulation creates a powerful barrier against external temperatures, keeping hot drinks steaming for up to 6 hours and cold beverages chilled for up to 12 hours. The lid system is a masterpiece of design, featuring a secure sliding lock that seals the drinking opening completely. A press-button release adds an extra layer of security, while the integrated silicone gasket guarantees a perfect, leak-proof seal every time. For added comfort and style, the mug includes a non-slip silicone base and is available in a range of contemporary finishes.

Detailed Technical Specifications

  • Material: 18/8 Food-Grade Stainless Steel (Body & Lid)
  • Insulation: Double-Wall Vacuum Insulation
  • Lid Seal: Integrated Silicone Gasket
  • Locking Mechanism: Slide-and-Click Lock with Button Release
  • Exterior Finish: Brushed Stainless Steel with Color Accents
  • Base: Non-Slip, Scratch-Resistant Silicone Ring
  • Dishwasher Safe: Top Rack Recommended (Lid hand wash for longevity)
Model Capacity Height (with lid) Diameter Weight Heat Retention (hrs) Cold Retention (hrs)
ThermalGuard Pro 16oz 16 fl oz (473 ml) 7.2 in (18.3 cm) 2.8 in (7.1 cm) 12.3 oz (349 g) 6 12
ThermalGuard Pro 20oz 20 fl oz (591 ml) 8.1 in (20.6 cm) 2.9 in (7.4 cm) 14.1 oz (400 g) 6 12

Hot Products

  • 15oz Tumbler

    15oz Tumbler

    Kudike brand 2025 BPA-Free 18/8 Stainless Steel 15oz Tumbler Premium Mugs with Durable Ceramic Lining for Beverages.
    Manufacturer by Yongkang Jiangzhi Cup Industry Co.,Ltd, who have more than 20 years experience in stainless steel water bottle industry and 12 years OEM experience for global customers.
    If you are interesting in us ,inquiry us , believe us ,we can offer high quality bottles with appropriate price with your demand.
  • 12oz Stainless Steel Egg Mug

    12oz Stainless Steel Egg Mug

    Kudike's high-quality 12oz stainless steel egg mug features an insulated and heat-resistant wall design. The unique egg shaped design makes it a great gift, sure to leave a deep impression on customers, guests, office staff, travelers, and anyone who loves hot drinks. We can customize this stainless steel egg shaped mug according to your needs, using screen printing or epoxy resin drop adhesive stickers, printing company logos or advertising information to help promote your brand.
  • Pineapple Tumbler

    Pineapple Tumbler

    We are factory of stainless steel pineapple tumbler. Our stainless steel water bottle factory is in Yongkang city, zhejiang province, China. We have more than 10 years experience in vacuum tumbler industry, we make the good quality bottle for all the world. Hope we can be the long time cooperation partner.
  • Travel Coffee Mugs

    Travel Coffee Mugs

    Kudike production this travel coffee mugs, which is the high quality, prefect surface. Our factory is Yongkang Jiangzhi Cup Industry Co., Ltd., based on the center of stainless steel water bottle in the world. We keep our heart on every process of production. We are looking for long time cooperation partner for mutual benefits in the days to come.
  • Starbucks Style Coffee Mug

    Starbucks Style Coffee Mug

    Start 2026 with the Kudike Starbucks style coffee mug collection - including other types of thermos cups, cold drink cups, and mugs in the store, allowing you to celebrate a wonderful winter time with everything from Lunar New Year and Valentine's Day to daily coffee ceremonies. We are able to solve over 98% of technical challenges. By collaborating with us, we can provide you with valuable sales advice in the industry, help you choose suitable popular products, and capture the market.
  • Personalized Coffee Tumbler

    Personalized Coffee Tumbler

    Kudike's high-quality Personalized Coffee Tumbler is a lifestyle accessory that combines practical functionality with self-expression. It goes beyond the basic purpose of serving beverages and becomes a mobile carrier for users' personal style, emotional memory, or brand identity through customized appearance design (such as printing names, quotes, exclusive patterns, or photos).Kudike has decades of experience in the production and operation of thermos cups, and has many machines that create endless possibilities for our thermos cups. Welcome to contact us for customized products.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept