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UltrAspire continues to push the envelope with our collapsible bottle. With a 500 mL (16 oz) capacity, the soft bottle features an angled bite valve

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UltrAspire continues to push the envelope with our collapsible bottle. With a 500 mL (16 oz) capacity, the soft bottle features an angled bite valve

UltrAspire Softflask w/ Straw & Bite Valve (500 mL)

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