Stay Refreshed Anywhere All Day
Drinks stay perfectly hot or cold for hours. Handy flip-top straw lets you sip quickly without hassle. Cleaning is easy, and it fits neatly in bags. Choose reliable hydration for every journey, every time.
Effortless Hydration
One push opens the lid for instant sipping ease. Leakproof cap and safety lock prevent spills in your bag.
Long-Lasting Temperature
Double-walled insulation keeps drinks hot or cold all day. Beverages taste fresh and enjoyable from morning to night.
Safe and Sustainable
The Threo flask is made of food-safe steel, free of BPA. Reusable design helps reduce plastic waste and supports the environment.
Size Guide
| SIZE | VOLUME | |
|---|---|---|
| ml | oz | |
| S | 800 | 27 |
| M | 1000 | 33.8 |
| L | 1200 | 40.6 |
| XL | 1500 | 50.7 |
Tom F.
Keeps my drinks hot or cold all day!
Maria Z.
Fits easily in small backpacks, love that.