Product Description:
Type:
Thermos Flask/Bottle. 
Capacity:
Often available in 570ml, but also other capacities like 400ml, 500ml, 530ml, and 750ml are mentioned for similar Bergner Walking series flasks. 
Features:
Double-walled and vacuum-insulated for superior thermal retention, keeping beverages hot or cold for extended periods. 
Designed for portability and suitable for various activities like office, commute, sports, and travel. 
Often features a flip-top lid with a strap or a strapped screw-on top cap.