32 oz Bottle or 20 oz Tumbler: Which One Do You Need?

You've decided to drink more water, or to stop buying coffee in paper cups. Now comes the real question: do you need an insulated bottle or a tumbler? They look similar, but they're not made for the same job. Here's how to choose between a 32 oz bottle and a 20 oz tumbler, based on how you actually live.

Start with one question: what will you drink?

• Mostly water, all day? You want a bottle with volume and a lid that seals, so you're not running back to the tap. Look at a 32 oz bottle.
• Mostly coffee or tea? You want a tumbler you drink from like a mug, that stays put on your desk. Look at a 20 oz tumbler.

Many people end up with both: a bottle for water, a tumbler for the morning coffee.

The 32 oz bottle: for long days and real hydration

A 32 oz (946 ml) bottle holds almost a full litre. For most people, two fills cover a day's water.

Best for:

• 8 to 12-hour shifts, when you can't leave your station to refill
• The gym, sports and hikes
• Long office days, if your goal is to drink more water

What to know before you buy:

• It's heavy when full. An insulated 32 oz bottle weighs around 450 to 500 g empty, so roughly 1.4 kg full. Some people prefer two hands to drink from it, which is why a straw lid helps a lot: you sip without tipping it up.
• It won't fit most car cup holders. At about 9 cm wide, it rides on the seat or in your bag instead. If it doesn't leak, that's not a problem.

The 20 oz tumbler: for coffee, tea and your desk

A 20 oz (591 ml) tumbler holds about two mugs of coffee. It's lighter, easier to hold, and made to sit beside you while you work.

Best for:

• Your morning coffee at home, kept hot through your first meetings
• Iced coffee or a smoothie in the afternoon
• Desk work, right next to your laptop

What to know before you buy:

• Look at the base. A wide, tapered tumbler is very stable on a desk, which matters next to electronics. The trade-off: it usually doesn't sit securely in car cup holders.
• Check the lid. Most tumblers have a slide lid that stops splashes, not leaks. It's not a water bottle: keep it upright, and don't toss it in a bag.

Quick comparison

• What it is: the 32 oz is a water bottle; the 20 oz is a coffee tumbler.
• Volume: almost a litre vs about two mugs.
• Lid: the bottle seals for your bag; the tumbler stops splashes on your desk.
• Where it lives: the bottle in your bag, at the gym, on the trail; the tumbler on your desk and kitchen counter.
• Car cup holder: usually no for both, so check the diameter before you buy.

Our bottle and our tumbler

We make one of each, and we tell you upfront what they're not made for.

OWAW Nomade, 32 oz (946 ml) bottle: leak-proof 2-in-1 lid with a flip straw and chug spout, 18/8 stainless steel, cold 24 h and hot 12 h. 477 g empty, 27 cm tall and 9 cm wide, so it doesn't fit standard car cup holders. Made for long shifts, the gym and all-day water.

OWAW Pause, 20 oz (591 ml) tumbler: splash-proof slide lid, no straw, 18/8 stainless steel, hot 6 h and cold 12 h. Its 7.5 cm base keeps it stable on your desk, but it isn't designed for car cup holders. Made for coffee, tea and desk work.

Both come with free shipping on eligible orders and free 30-day returns.