Stay Hydrated All Day with the Iconic Stanley Quencher H2.0 FlowState™ Tumbler
Upgrade your daily hydration routine with the Stanley Quencher H2.0 FlowState™ Tumbler (40 oz). Engineered for all-day use, this best-selling insulated tumbler features a revolutionary rotating lid that adapts to your lifestyle—whether you need a straw opening, a wide mouth for chugging, or a full-cover top to resist splashes during travel
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. Crafted from 90% recycled 18/8 stainless steel, it’s as sustainable as it is durable, keeping your beverages ice-cold for up to 11 hours or hot for 7 hours thanks to advanced double-wall vacuum insulation
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The ergonomic textured comfort-grip handle makes carrying your 40 oz of hydration effortless, while the slim base design ensures it fits seamlessly into most car cupholders and bike bottle cages
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. Perfect for the office, gym, road trips, or outdoor adventures, this BPA-free tumbler combines premium performance with a sleek powder-coat finish that resists scratches and fading. Join millions who trust Stanley for reliable, leak-resistant hydration that lasts as long as your day does.
✨ Key Features & Benefits
FlowState™ 3-Position Rotating Lid: Switch effortlessly between a built-in straw, a wide-mouth drink spout, and a splash-resistant full cover for versatile sipping
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All-Day Temperature Retention: Double-wall vacuum insulation keeps drinks cold for 11 hours and hot for 7 hours, ensuring perfect temperature from morning commute to evening wind-down
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Sustainable Build: Made with 90% recycled 18/8 stainless steel and completely BPA-free for safe, eco-conscious hydration
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Ergonomic Comfort-Grip Handle: Textured handle provides a secure, comfortable hold even when the tumbler is fully loaded with 40 oz of liquid
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Universal Cupholder Compatibility: Narrow base design fits standard car cupholders, making it the ultimate travel companion for drivers and commuters
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Durable Powder-Coat Finish: Scratch-resistant exterior maintains its vibrant color and premium look through daily wear and tear.
Massive 40 oz Capacity: Holds 1.18L of your favorite beverage, reducing the need for constant refills during long days
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📋 Technical Specifications
Specification
Detail
Capacity
40 oz (1.18 L)
Material
90% Recycled 18/8 Stainless Steel
Insulation
Double-Wall Vacuum
Cold Retention
Up to 11 Hours
Hot Retention
Up to 7 Hours
Lid Type
FlowState™ 3-Position Rotating Cover
Dimensions
~12.3″ H x 5.82″ W x 3.86″ D
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Weight
~1.4 lbs (empty)
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BPA-Free
Yes
Cupholder Compatible
Yes
Care Instructions
Handwash Recommended
Is the Stanley Quencher H2.0 dishwasher safe? While the stainless steel body is technically dishwasher safe, Stanley strongly recommends hand washing only. Dishwasher heat and harsh detergents can degrade the powder-coat finish, damage the lid’s silicone seals, and void the warranty over time.
Does the 40oz Quencher fit in standard car cup holders? Yes! The base is specifically designed to fit most standard vehicle cup holders. However, it may be too wide for compact car consoles or motorcycle bottle cages. Always measure your specific cup holder (approx. 3.86″ diameter) if unsure.
How long does it keep drinks cold or hot? Thanks to double-wall vacuum insulation, the Quencher H2.0 keeps beverages ice-cold for up to 11 hours and hot for up to 7 hours. Performance varies based on ambient temperature, lid position, and initial drink temp.
What is the “FlowState” lid and how does it work? The FlowState™ lid features a rotating cover with three positions: (1) straw opening for sipping, (2) wide-mouth opening for drinking without a straw, and (3) full-cover top to prevent splashes and retain temperature during travel.
Is this tumbler leakproof? The Quencher H2.0 is splash-resistant, not fully leakproof. When the lid is in the closed/full-cover position, it resists spills during normal movement. However, it should not be laid on its side in a bag or turned upside down, as liquid may escape through the straw hole or seal gaps.
What material is the tumbler made from? It’s constructed from 90% recycled 18/8 stainless steel, making it durable, rust-resistant, and BPA-free. The exterior has a textured powder-coat finish for grip and scratch resistance.
Can I put carbonated drinks or coffee in it? Yes! The vacuum insulation works great for both cold sodas/sparkling water and hot coffee/tea. For carbonated drinks, use the straw position carefully to avoid pressure buildup, and never shake the tumbler while sealed.
Does it come with a straw? Yes, the 40oz Quencher H2.0 includes a reusable, BPA-free plastic straw that fits securely into the lid’s straw port. Replacement straws are sold separately if lost or worn.
How do I clean the lid and straw properly? Disassemble all lid components (rotating cover, gasket, straw) before washing. Use warm soapy water and a small brush to clean crevices where mold can accumulate. Dry thoroughly before reassembling to prevent odors.
Why does my tumbler have a metallic taste? New stainless steel tumblers may have a faint metallic taste initially. Wash thoroughly with warm soapy water and bake soda before first use. If the taste persists, soak in a vinegar-water solution (1:4 ratio) for 30 minutes, then rinse well.
Is the handle comfortable for long carries? Absolutely. The ergonomic, textured comfort-grip handle is designed to distribute weight evenly, reducing hand fatigue even when the tumbler is full (40oz of water weighs ~2.5 lbs).
Can I customize or engrave this tumbler? Laser engraving is possible on the stainless steel body but will remove the powder coat, exposing bare metal. Vinyl decals or sleeves are safer alternatives for personalization without damaging the finish.
What sizes are available for the Quencher H2.0? The FlowState™ line comes in 14oz, 20oz, 30oz, and 40oz. The 40oz is the largest and most popular for all-day hydration; smaller sizes offer better portability for shorter outings.
Does condensation form on the outside? No. The double-wall vacuum insulation prevents external sweating, keeping your hands dry and surfaces protected from water rings—even with ice-cold drinks inside.
How do I remove stubborn stains or coffee residue? For tough stains, fill halfway with warm water and add 1 tbsp baking soda + 1 tbsp white vinegar. Let sit for 1 hour, scrub gently with a bottle brush, then rinse. Avoid abrasive scrubbers that scratch the interior.
Is the lid interchangeable with other Stanley models? No. The FlowState™ lid is proprietary to the H2.0 Quencher line and won’t fit older Adventure Quenchers or other Stanley bottles. Always verify compatibility before purchasing replacement lids.
Can I freeze the tumbler with liquid inside? Never freeze liquids inside any insulated tumbler. Expanding ice can crack the vacuum seal, permanently ruining insulation performance. Freeze water separately in ice cube trays instead.
What is the warranty coverage? Stanley offers a lifetime warranty against manufacturing defects in materials and workmanship. This covers issues like broken handles, faulty lids, or insulation failure—but not cosmetic wear, loss, or misuse.
Why is there a small hole in the bottom of some tumblers? That’s a vacuum integrity indicator. If the hole appears dented or compromised, the vacuum seal may be broken. Contact Stanley support immediately—this is covered under warranty.
Is this tumbler suitable for children? The 40oz size is heavy (~1.4 lbs empty) and large for small hands. Consider the 14oz or 20oz FlowState™ versions for kids—they feature the same lid technology in a lighter, more manageable size.
Weight
.2 kg
Dimensions
30 × 15 × 10 cm
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