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Frequently asked questions

How long will the drinks reach iced cold level?

2 - 3 mins after snap a FLET stick, your room temperature drinks will be iced cold level.

How to use?

1. Put FLET stick in your freezer in vertical direction.
2. After 4 - 6 hours, FLET stick is ready to use.
3. Snap FLET stick into the tumbler, the strong magnetic force will hold it firmly.
4. Enjoy your favorite drinks with FLET tumbler.

What is the delivery time after confirmed order?

3 - 5 business day in Thailand. 15 - 20 business day globally.

Does the prodcut have a warranty?

FLET products are covered by a 2 year warranty from the day they were bought, when used under normal conditions and for the purpose intended.
This warranty covers faults in materials and workmanship and doesn't apply if damage is caused by unreasonable use or if you change your mind.

In order to make a warranty claim, please contact us at flettumbler@gmail.com

Does the product dishwashing machine friendly?

FLET stick, lid and straw are dishwashing machine friendly.

What is inside FLET stick?

Just pure drinkable water inside FLET stick.

What is the using temperature range?

FLET tumbler can use with both hot and cold drinks. (-40 to 180 Celsius)

Does the product microwavable?

All parts of FLET tumbler are not microwavable.

When to put FLET stick into the tumbler?

FLET stick shall be snap before fill the drinks into tumbler.

What's FLET tumbler capacity?

500 ml (16 oz) with FLET stick inside and 750 ml (24 oz) without FLET stick.

Could FLET stick use with other tumbler?

FLET stick is specifically design for FLET tumbler only. FLET stick will attach the bottom of the tumbler with strong magnetic force.

Does FLET tumbler carry-on when going aboard?

Because it’s just pure drinkable water inside FLET stick. That’s mean you have to put the stick in your luggage and grab only the tumbler if you have to travel with FLET.

How many hours will the drink stay iced cold?

FLET tumbler can keep your drink in iced cold level up to 24 hours.
If you prefer a hot drink, FLET tumbler can keep your beverage hot for up to five hours.

What is FLET stick case?

FLET stick case is made from PLA. Keeping the FLET stick clean, hygenic and prevent from touching directly to the freezer. It’s also help you carry FLET stick along with you easier during the day.




Location: Thailand

Email:  flettumbler@gmail.com

Monday - Friday: 7:00 - 22:00
​​Saturday: 8:00 - 22:00
​Sunday: 8:00 - 21:00


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