Quick answer

For most people, the 24oz Ease2o is the sweet spot: it fits cup holders and bags, holds enough for a workout or commute, and comes with a dual-function lid. Choose 14oz if you want an ultra-light bottle for short errands, 32oz for desk or long hikes, and 40oz only if you consistently drink more than a gallon a day and don’t mind the bulk.

How much water does each Ease2o size hold?

The Ease2o line comes in four capacities: 14oz, 24oz, 32oz, and 40oz. That translates to roughly 1.75, 3, 4, and 5 cups respectively. The 24oz model is the only one currently available in the patterns we’re featuring today, but the size logic applies across the line.

14oz Ease2o: best for light, short outings

At 14oz, this is the lightest option. It’s ideal for a quick walk, a short errand, or as a kids’ bottle. You’ll refill more often, but it disappears in a small purse or backpack side pocket. If you hate carrying weight, this is your pick.

24oz Ease2o: the all-rounder for daily hydration

The 24oz Ease2o is the Goldilocks size for most adults. It holds enough to get you through a 45-minute gym session or a morning at your desk, yet it still fits standard car cup holders and most bag pockets. The dual-function lid gives you a soft straw for sipping and a chug spout for faster flow, and built-in venting prevents pressure build-up. If you want one bottle that does everything, start here.

32oz Ease2o: for longer stretches and higher targets

If you aim for 64oz+ per day, a 32oz bottle means fewer refills. It’s great for desk workers, long hikes, or anyone who forgets to drink. The trade-off: it’s heavier when full and may not fit smaller cup holders. Check your bag’s side pocket dimensions before committing.

40oz Ease2o: maximum capacity for serious hydration

The 40oz size is for people who already drink a lot of water or want to track intake without constant refills. It’s bulky and heavy when full, so it’s best for stationary use—at a desk, on a job site, or during long events. If you prioritize portability, size down.

Decision rules: pick your Ease2o size

  • If you carry a small purse or want zero bulk: Choose 14oz. It’s the lightest and fits where larger bottles won’t. Best for quick trips and kids.
  • If you want one bottle for work, gym, and travel: Choose 24oz. It balances capacity and portability, and the dual-function lid covers both sipping and chugging. The safest all-around pick.
  • If you drink 64oz+ daily or hate refilling: Choose 32oz or 40oz. The 32oz is still somewhat portable; the 40oz is best left on a desk. Size up only if you’re okay with the weight.

Product facts: 24oz Ease2o patterns

  • Woodland: The 24oz Ease2o features a dual-function lid with a No-Perse soft straw and a chug spout, plus built-in venting technology to prevent pressure build-up. You get two drinking modes in one bottle, so you can sip slowly or drink fast without swapping lids.
  • Coastal Cowgirl: The 24oz Ease2o is lightweight and ultra-portable, designed to fit perfectly in bags and cup holders. It’s easy to carry all day, whether you’re commuting, running errands, or heading to the gym.

Fit guidance: who should buy which size

Best for

  • Commuters and gym-goers who want a bottle that fits cup holders and bags (24oz)
  • Desk workers aiming for higher daily water intake (32oz)
  • People who want a lightweight bottle for short outings or kids (14oz)

Not for

  • Anyone who wants a one-handed bottle for running or cycling (consider a smaller, sport-specific bottle)
  • People who refuse to refill during the day (choose 40oz)