Water Bottle With Straw

Shop the 30oz Splitflask dual-chamber water bottle with a straw and spout. Two sealed 15oz sections keep water, coffee or another compatible drink separate in one insulated tumbler.

30oz Dual-Chamber Tumbler30oz Dual-Chamber Tumbler

30oz Dual-Chamber Tumbler US Patent No. 18479835 Bestseller

$49.22 USD
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Splitflask 2 drink tumbler lid - blackSTRAW & SPOUT LID - Splitflask: 2-In-1 Stainless Steel Tumbler

STRAW & SPOUT LID 12% off

$29.99 $26.22 USD

A 2-in-1 water bottle with a straw and spout

A standard straw bottle carries one drink. The 30oz Splitflask dual-chamber water bottle is designed for routines that call for two. Its stainless steel body is divided into two sealed 15oz chambers, while separate straw and spout drinking paths let you reach each beverage without combining flavors.

What makes the Splitflask design different?

  • Two separate drink compartments: Carry water beside coffee, tea, an electrolyte drink or another compatible beverage.
  • Straw and spout access: Choose the drinking style that suits each side of the bottle.
  • Independent insulation: The divided vacuum-insulated interior limits temperature transfer between the chambers.
  • One cup-holder-friendly footprint: Replace two smaller drink containers with one streamlined 30oz tumbler.

You can also fill both chambers with water and use each complete 30oz fill as a simple hydration checkpoint. Exact hydration needs vary, so choose a routine that fits your health, activity and clinician guidance.

Replaceable parts for everyday use

Already own a Splitflask? Refresh your setup with a replacement straw and spout lid or keep a three-pack of 30oz replacement straws on hand. Check the product details for compatibility before ordering.