400ml Double Wall Stainless Steel Thermal Coffee Mug | Leak-Proof

400ml Double Wall Stainless Steel Thermal Coffee Mug

Stay refreshed at home, in the office, or on the go with this sleek 400ml double-wall stainless steel coffee mug. Crafted from premium 304 stainless steel, it keeps your hot drinks hot and cold drinks cold — all while staying completely leak-proof. Whether you're sipping your morning coffee, afternoon tea, or a cold smoothie, this mug is your perfect everyday companion.

Why You'll Love It

• Double-Wall Insulation: The vacuum double-wall construction maintains your drink's temperature longer, so every sip is just as satisfying as the first.
• Leak-Proof Sealed Lid: The secure, sealed lid prevents spills and leaks — toss it in your bag without worry.
• Ergonomic Handle: The comfortable, ergonomic handle provides a firm, easy grip whether you're at your desk or commuting.
• Premium 304 Stainless Steel: Food-grade, eco-friendly material — free from high-concern chemicals and built to last through years of daily use.
• Easy to Clean: The wide-mouth opening and smooth interior make cleaning quick and effortless, keeping your mug hygienic every day.
• Compact & Portable: At 400ml, it's the ideal size — generous enough for a full drink, compact enough to fit in most cup holders and bags.
• CE/EU & FCM Certified: Meets European food-contact material safety standards for your peace of mind.

Perfect For

• Morning coffee or espresso at home
• Office desk use or meeting rooms
• Travel, commuting, and outdoor adventures
• Gifting to friends, family, or colleagues

Specifications

• Capacity: 400ml
• Material: 304 Stainless Steel (double-wall construction)
• Feature: Leak-proof, sealed lid, ergonomic handle
• Certifications: CE/EU, FCM
• Eco-Friendly: No high-concern chemicals
• Quantity: 1 piece
• Made in: Mainland China

A Thoughtful Gift Idea

Looking for a practical yet stylish gift? This mug's clean, modern design and everyday versatility make it a wonderful present for anyone who loves a great cup of coffee or tea. Pair it with their favourite brew for an easy, appreciated gift.

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Learn more: Nutrition.gov on cooking and food safety

Frequently Asked Questions

Q: Is the 400ml stainless steel coffee mug dishwasher safe?

A: While the 304 stainless steel construction is highly durable, we recommend hand washing to preserve the finish and extend the life of the sealed lid and insulation performance. The wide-mouth opening makes hand washing quick and easy.

Q: How long does the double-wall stainless steel mug keep drinks hot or cold?

A: The double-wall vacuum insulation is designed to maintain your drink's temperature significantly longer than a standard single-wall mug — keeping hot drinks warm and cold drinks cool for extended periods, depending on your environment.

Q: Is this thermal mug truly leak-proof for travel and commuting?

A: Yes! The mug features a sealed, leak-proof lid designed to prevent spills and leaks, making it safe to carry in a bag or backpack during your commute or travels.

Q: What certifications does this stainless steel coffee mug have?

A: This mug holds CE/EU and FCM (Food Contact Material) certifications, confirming it meets European safety standards for food-contact products and contains no high-concern chemicals.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.