- Ethylene-Vinyl Acetate Copolymer (PVA), BPA-Free
- Large 55mm diameter filling port (accommodates addition of ice)
- Flexible, shock-proof
- Slide lock opening for hygienic cleaning
Replacement Drinking Tube with Mouthpiece:
- Neoprene Insulated Hydration Tube
- 5.5mm diameter rapid liquid flow tube
- Quick release for easy cleaning
- Bite valve automatic flow/shut-off for hands free hydration
- Includes cover attachment to keep it clean and hygienic
- UV resistant