Packs down to almost nothing when it's empty this flask is also made of durable material that's soft and textured in your hand. A large flow bit valve delivers a substantial flow rate.
- Body is 0.4mm BPA-free thermoplastic polyurethane
- High-flow, silicone bite valve with a twist shut off
- Soft finger loop for easy carrying
- Can be used with or without the included dust cover
- 42mm opening fits standard water filters and ice big enough to ice cubes