Replacement sport cap and bite valve assembly for Hydrapak SoftFlasks™ with 42mm opening (350ml, 500ml, or 750ml).
Note: This cap does NOT fit the smaller volume SoftFlasks™ (5oz, 8oz, 150ml, or 250ml) with a 28mm opening.
- Compatible with all SF350, SF500, and SF750 SoftFlasks™
- 42mm leak-proof sport cap with silicone bite-valve
- Twist on/off valve for on demand use and secure no-leak transport
- 100% BPA and PVC Free