Can I use this tumbler with hot coffee or tea?

No. The tumbler is designed exclusively for cold and iced beverages. Using hot liquids with the lid locked will cause dangerous pressure buildup that can expel scalding liquid from the top or sides, and drinking hot beverages through a straw poses a burn risk.

Will the lid leak if the tumbler tips over in my bag?

The lid is fully leakproof with cold beverages and iced carbonated drinks when in the locked position. Make sure the sliding lock is engaged before putting it in a bag or laying it on its side.

How do I use carbonated drinks without issues?

Fill with approximately 50 percent ice and 50 percent carbonated beverage. This ratio prevents excessive pressure buildup while still keeping your drink cold and fizzy.

Does the straw stay clean between uses?

Yes. The flip-down design keeps the straw covered when not in use, protecting it from dust and debris. The lid closes flush over the straw opening.

Will this fit in my car cup holder?

The base is designed to fit standard vehicle cup holders despite the 40-ounce capacity. Check your specific cup holder diameter if you drive a compact car with smaller holders.

What's the difference between the two straws?

The silicone straw is soft and comfortable against your teeth, while the stainless steel straw reduces the amount of plastic in contact with your beverage. Both work with the flip lid mechanism.

Era Flip 40oz | Plum

silicone

The 3-second version

Fully leakproof sliding lid works with still and carbonated cold drinks
Maintains ice and cold temperatures for over 24 hours
Flip-down straw stays covered between sips to keep dust out
Not safe for hot beverages when locked
Requires 50% ice ratio for carbonated drinks
Hand wash recommended for lid mechanism

Why it's on GiftsFeed

Leakproof 40-oz straw tumbler with a flip-down lid and all-day cold retention

Most straw tumblers either leak when tipped over or require you to unscrew a lid every time you want a drink. This one solves both problems with a sliding lock mechanism that seals completely, then flips open with one hand and stays put while you sip. The ability to handle carbonated drinks without venting pressure or sacrificing the seal sets it apart from standard insulated tumblers that can't manage fizz safely. For anyone tired of choosing between convenience and a bag-safe seal, the flip-down design delivers both in a single piece of drinkware.

Good gift when

People who want a sealed tumbler they can toss in a bag without worry
Anyone switching between water and sparkling drinks throughout the day
Commuters who need all-day cold retention without refills
Those who prefer drinking through a straw but dislike removable lids

Skip it if Cold beverages only—the sealed lid creates dangerous pressure with hot liquids and poses a scalding risk through the straw

Specs

Capacity: 40 oz
Insulation: Double-wall vacuum
Cold Retention: 24+ hours
Lid Type: Flip-down straw with sliding lock
Straws Included: Silicone straw and stainless steel straw
Base: Cup holder friendly
Color: Plum
Beverage Compatibility: Cold and iced carbonated (50% ice ratio recommended)
Leakproof: Yes, when locked with cold beverages

What's included

Era Flip 40oz tumbler
Silicone straw
Stainless steel straw
SlideSeal leakproof lid

If you're giving it

No sizing to guess

Arrives in product packaging; consider a gift bag or wrap if presenting in person.

The details

This 40-ounce insulated tumbler combines the convenience of a flip straw with a locking seal that won't leak in your bag or car. The sliding lid mechanism works with both still and carbonated drinks when properly secured, and the included silicone straw delivers a smooth sip every time without needing to remove a cap or fumble with a screw-on lid.

Double-wall vacuum insulation maintains cold temperatures for more than 24 hours, so morning ice remains solid well into the evening. The silicone straw is soft against your teeth and won't transfer heat or cold like metal alternatives. A separate stainless steel straw is also included for those who prefer to minimize contact with plastic while drinking.

The base diameter fits standard vehicle cup holders despite the generous capacity, and the covered straw design keeps dust and debris out between sips. The flip mechanism operates with one hand, staying open while you drink and closing flush when locked. Plum exterior finish resists scratches and fingerprints through daily handling.

Built for carbonated beverages as well as water, coffee, and juice—just maintain roughly half ice, half liquid when using fizzy drinks to avoid pressure buildup. The tumbler is designed for cold and iced beverages only; hot liquids can create dangerous pressure when the lid is locked and pose a scalding risk through the straw.

BruMate

Era Flip 40oz | Plum

The first fully sealed straw tumbler that locks tight, flips open, and keeps iced drinks cold through your whole day

$47.99at brumate.com

Quantity

Buy from BruMate

Ships and sold by BruMate. About this merchant

The 3-second version

Fully leakproof sliding lid works with still and carbonated cold drinks
Maintains ice and cold temperatures for over 24 hours
Flip-down straw stays covered between sips to keep dust out
Not safe for hot beverages when locked
Requires 50% ice ratio for carbonated drinks
Hand wash recommended for lid mechanism

Questions

Can I use this tumbler with hot coffee or tea?: No. The tumbler is designed exclusively for cold and iced beverages. Using hot liquids with the lid locked will cause dangerous pressure buildup that can expel scalding liquid from the top or sides, and drinking hot beverages through a straw poses a burn risk.
Will the lid leak if the tumbler tips over in my bag?: The lid is fully leakproof with cold beverages and iced carbonated drinks when in the locked position. Make sure the sliding lock is engaged before putting it in a bag or laying it on its side.
How do I use carbonated drinks without issues?: Fill with approximately 50 percent ice and 50 percent carbonated beverage. This ratio prevents excessive pressure buildup while still keeping your drink cold and fizzy.
Does the straw stay clean between uses?: Yes. The flip-down design keeps the straw covered when not in use, protecting it from dust and debris. The lid closes flush over the straw opening.
Will this fit in my car cup holder?: The base is designed to fit standard vehicle cup holders despite the 40-ounce capacity. Check your specific cup holder diameter if you drive a compact car with smaller holders.
What's the difference between the two straws?: The silicone straw is soft and comfortable against your teeth, while the stainless steel straw reduces the amount of plastic in contact with your beverage. Both work with the flip lid mechanism.