Buy extra soft flask to your RunBottle
Soft silicone bite valve with high flow rate for on-the-go hydration. Constructed with a soft pliable TPU body the flask conforms to any shape. Compatible with Smartshake RunBottle.

✓ Safe materials, 100% BPA & PVC Free

✓ Screw top opening for cleaning and quick filling

✓ A silicone bite valve ensures no leaks 

✓ Dishwasher Safe

✓ Can be stored in the freezer