- Durable Thermoplastic
- Polyurethane (TPU) construction with extra grip
- Flexible / squeezable, lets you easily squeeze out gels or liquids
- Compresses as you drink reduces sloshing/bouncing of fluids
- Fill scale helps you monitor fluid intake (ML and OZ)
- Slim and lightweight, easy to fill and clean with wide opening
- Interchangeable straw & bite valve
- BPA, PVC and Phthalate free, will not taint taste.