40oz Vacuum Insulated Tumbler | Stainless Steel Travel Mug

Stay Hot or Cold for Hours – The Ultimate 40oz Travel Tumbler

Meet your new go-to hydration companion. This 40oz Vacuum Insulated Tumbler is built from premium 18/8 stainless steel for lasting durability, whether you're tackling a morning commute, a mountain trail, or a backyard barbecue. Double-wall vacuum insulation keeps your drinks at the perfect temperature — hot or cold — for hours on end.

Why You'll Love It

• Premium 18/8 Stainless Steel: Rust-resistant, corrosion-proof, and built to last through daily adventures. No unwanted flavors or odors — just pure, clean sipping every time.
• Double-Wall Vacuum Insulation: Keeps beverages hot for up to 6 hours and cold for up to 12 hours. Perfect for coffee, iced tea, smoothies, or any drink you love.
• Generous 40oz Capacity: Holds enough liquid to power through your busiest days or share with a friend on the trail. Stay hydrated longer without constant refills.
• Ergonomic Handle: The sturdy, integrated handle makes carrying easy — even when your tumbler is full. Designed for a secure grip on the go.
• Straw Lid Included: A removable straw lid lets you sip comfortably while moving. Remove the straw and use it as a standard open-top cup whenever you prefer.
• Versatile Everyday Use: From camping and hiking to office desks and car cup holders, this tumbler adapts to your lifestyle effortlessly.

Product Specifications

Perfect For

• ☕ Morning coffee or tea on the commute
• 🏕️ Camping, hiking, and outdoor adventures
• 🏋️ Gym sessions and sports activities
• 🏖️ Beach days and picnics
• 💼 Office and work-from-home hydration

Explore More Drinkware

Looking for more ways to stay hydrated in style? Check out these popular picks from our store:

• 0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof & 10 Refills
• 10 Pairs Transparent Adhesive Wall Hooks – No-Drill, Heavy Duty

Trusted Hydration Guidance

Staying properly hydrated is key to overall wellness. Learn more about daily hydration recommendations from the Harvard T.H. Chan School of Public Health – Nutrition Source. For food-contact material safety standards, visit the U.S. FDA – Food Contact Substances page.

Learn more: Stanley (drinkware company)

Frequently Asked Questions

Q: How long does the 40oz vacuum insulated tumbler keep drinks hot or cold?

A: Thanks to its double-wall vacuum insulation, this stainless steel tumbler keeps hot drinks warm for up to 6 hours and cold drinks chilled for up to 12 hours — ideal for long commutes, outdoor adventures, or a full day at the office.

Q: Is the straw lid leakproof on this travel tumbler?

A: The straw lid is designed to minimize spills during transit. While it features a secure fit, we recommend keeping the tumbler upright when carrying liquids to ensure the best performance. The straw is fully removable if you prefer open-top sipping.

Q: What material is this tumbler made from, and is it safe to use?

A: This tumbler is crafted from 18/8 food-grade stainless steel with no high-concern chemicals. It's rust-resistant, corrosion-proof, and designed to keep your drinks tasting clean and fresh with no metallic aftertaste.

Q: Can this tumbler fit in a standard car cup holder?

A: Most standard car cup holders accommodate this 40oz tumbler. However, due to the ergonomic handle, we recommend checking your vehicle's cup holder dimensions to ensure a comfortable fit before you hit the road.

Q: Is the 40oz stainless steel tumbler dishwasher safe?

A: For best results and to preserve the vacuum insulation seal, we recommend hand-washing this tumbler with warm soapy water. Dishwasher use may affect the insulation performance over time.