AEEISTNY Insulated bottles
These thermal flasks feature a versatile cup lid that doubles as a serving vessel for hot or cold drinks. The double-walled stainless steel construction is built for travel and sports use
Listed here: 1 bottle
Collections Brown Affordable
Integrated cup lid
The screw-on cap serves as a convenient cup for drinking.
Vacuum thermal insulation
Double-walled steel maintains temperatures for both hot and cold liquids.
Travel mug design
The slim profile is optimized for portability and sports travel.
First-hand notes
The cup lid is very handy for drinking hot coffee while I'm traveling without needing a separate mug.
It keeps my drinks hot for several hours and the 350 ml size is perfect for my morning commute.
The flask is completely leakproof and the stainless steel feels very durable for a travel mug.
Thermal Utility Standards
This 350 ml flask uses vacuum insulation technology to preserve beverage temperature. The design emphasizes a leakproof seal and a multi-functional lid.
- 350 ml capacity
- Stainless steel coffee flask
- Vacuum insulated tumbler
- Double-walled sport design
- Integrated drinking cup
- Leakproof travel seal


The set
1 bottle listed here, grouped as Brown, Stainless steel bottles, Travel insulated bottles, Leakproof insulated bottles.
Materials and parts
AEEISTNY models in this range lean on the details already in the listings: Thermal coffee flask with integrated cup.
What they suit
These AEEISTNY bottle line up with Brown, Stainless steel bottles, Travel insulated bottles, Leakproof insulated bottles.
Worth comparing
Use Brown, Stainless steel bottles, Travel insulated bottles, Leakproof insulated bottles to tell one AEEISTNY model from the next.
AEEISTNY Questions
How do you drink from this bottle?
This model features a cup lid that can be unscrewed and used as a drinking vessel. This is particularly useful for hot beverages like coffee or tea.
What is the capacity of this flask?
The flask has a capacity of 350 ml. This makes it a compact option for individual use during travel or sports.
Can it be used for cold drinks?
Yes, the vacuum insulated double-wall construction is designed for both hot and cold drinks. It maintains the temperature of the liquid inside effectively.
Is the bottle made of plastic or metal?
The bottle is constructed from stainless steel. This material provides durability and helps with the thermal insulation of the beverage.