Features:

Clear - you can see how much fluid is left
Collapsible - is only as large as the liquid being carried
Pliable - conforms to any shape
Cleanable - can be placed in dishwasher
Hi-Flow Bite Valve

Weight:
1.08 oz / 30g

Fluid Capacity:
14.2 oz / 420 mL

Material:
BPA-Free TPU