The Montane SoftFlask™ 250ml by Hydrapak® is a compactable flask for quick, easy hydration when on the move. The flask compresses for easy storage and prevents water from sloshing. The top opening allows for quick and easy filling / cleaning while the high performance soft silicone bite valve provides a high flow rate. Soft and flexible TPU flask body 250ml liquid capacity Compactable for easy storage and to prevent water from sloshing Screw top opening allows for quick and easy filling / cleaning High flow rate soft silicone bite valve Dishwasher safe (top rack) BPA free / PVC free / meets or exceeds FDA and EU regulations