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
At Smartshake, you always have the option of free shipping when your order exceeds free shipping rate.