Is the 20 oz Quencher leakproof?

No. The lid resists splashes but is not sealed, so it can leak if tipped or put in a bag. Carry it upright.

How long does it keep drinks cold?

Stanley rates it for hours of cold retention, and owners commonly report ice surviving a full workday. Hot drinks stay warm for a shorter time.

Does it fit in a car cup holder?

Yes. The tapered base is sized for most car cup holders, which is a common reason buyers pick it over wider bottles.

Is it dishwasher safe?

The lid is dishwasher safe. Stanley recommends hand washing the body to protect the finish and insulation.

How does the 20 oz compare with the 30 and 40 oz Quenchers?

It is lighter and easier to carry but holds less. Choose 20 oz for desk and commute use; go larger if you drink a lot of water.

What comes in the box?

The tumbler and its FlowState lid with a reusable straw. No extra lids or brushes are included.

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This hour's deals

Stanley Quencher H2.0 FlowState Tumbler 20 oz

−50%

Outdoors · TCU Bookstore

The tumbler that keeps your iced coffee cold all day

Name: Stanley Quencher H2.0 FlowState Tumbler 20 oz
Brand: Stanley
Availability: InStock

Stanley Quencher H2.0 FlowState Tumbler 20 oz

Stanley's Quencher H2.0 FlowState tumbler — the cult favorite for commuters, gym-goers and iced-coffee people.

Deal score 5.1 · Good deal

$22.50$45.00 TCU Bookstore's regular price

You save $22.50 at TCU Bookstore

Deal.ai's agents found this deal on November 9. The store may have changed its price since.

Why it's a great deal

TCU Bookstore lists its regular price at $45.00: 50% off by its own figures

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$22.50Observed at 5:43 PM
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Specs

Type: Travel Tumbler
Capacity: 20 fl oz

About the Stanley Quencher H2.0 FlowState Tumbler 20 oz

The Stanley Quencher H2.0 FlowState is a 20 oz insulated stainless steel tumbler with a handle, a tapered base that fits car cup holders, and a lid with a rotating cover and straw. The 20 oz size is the smallest Quencher, so it suits desk and commute use better than all-day hydration. It keeps drinks cold for hours and holds ice overnight in most reports. Against larger Quenchers it trades capacity for a lighter, more portable cup; against cheaper tumblers it costs more but has a sturdier build and a lid that seals better. Owners like the handle and finish choices but note it is not fully leakproof and does not keep drinks hot as long as cold.

Best forDesk and office sippingCommuting and car cup holdersGifts and color collectorsLight daily hydration needs

Pros

Double-wall vacuum insulation keeps drinks cold for hours
Handle and tapered base fit most car cup holders
Rotating FlowState lid works with straw or open sip
Durable stainless steel with a wide color range
Dishwasher safe lid and body

Cons

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