Volume: 250ml / 500ml
The soft water bottle is tasteless and eco-friendly. It is ideal for marathon, running, cycling, etc.
Soft flask is compact and built for a long life for durable use.
The running flask stands upright when it full and shrinks in the min volume while empty, no burden for sports.
It is easy to fold and carry. It can fit easily in most hydration vest, belt or pack pockets.