This soft water flask "Press to drink" behaves like a rigid bottle but without the sloshing effect of water and can be folded in on itself therefore uses minimum space! It shrinks as you drink, and comes with both a bite-valve cap and straw for different drinking options.

Features:
PRESS TO DRINK: Behaves like a rigid bottle but without the sloshing effect of water.
LIGHT WEIGHT & COMPACT: Soft bottle collapsible for easy use, storage and transport.
SIMPLE: One hand operation with bite valve allows you to stay hydrated on the go, running etc.
FUNCTIONAL: Wide mouth design with cap comes apart for easy cleaning.
RELIABLE: Constructed with TPU (thermoplastic polyurethane) for superior durability and flexibility.
GREEN: Ultra-reusable and uses less energy and materials to make, BPA-free and PVC-free.

Specifications:
Type: Soft water flask
Brand: AONIJIE
Model: SD13
Material: TPU
Color: Dark blue
Capacity: 350ml / 600ml (Optional)
Water Temperature: 0-40℃ / 32-104℉
Net Weight: 53g / 1.9oz     
Size: 295 * 60mm / 11.6 * 2.4in      
Package Weight: 54g / 1.93z 
Package Size: 28 * 9 * 7cm / 11 * 3.5 * 2.8in  

Package List： 
1 * Soft Water Flask