Black Friday sales are underway, and if you’ve been holding off on buying yourself (or those on your holiday list) a new water bottle, now’s your chance. One of our editors’ favorite bottles — the Owala 40-ounce travel mug — is conveniently 20% off right now.

I have found, reviewed, and written about each Owala offering I recommend below. I worked with NBC Select reporters to finalize the live list, which I will update regularly throughout Black Friday to reflect the most current prices.

Owala stainless steel travel mug with triple layer insulation

4.7 star average rating from 4,315 reviews on Amazon

“I love everything about my Owala mug: the comfortable handle, the color combinations and the fact that it doesn’t get scratched or dented easily,” says Cory Fernandez, trade editor at NBC Select. “Plus, the lid twists on and off easily every time I refill or wash it, and I don’t worry about mold building up in those hard-to-reach places.”

Available in 10 colors, Owala’s 40-ounce cups, like so many of our favorite reusable water bottles, feature built-in insulating layers to keep drinks colder longer. Its lid is one of its best features: you can drink from the included straw or sip directly from the lid’s mouth hole. The cup also has a wide opening so you can easily add ice cubes.

Why trust NBC Select?

I’m the commerce editor at NBC Select and have been covering deals and sales for years. To evaluate the quality of this water bottle deal, I made sure it offers at least 20% off and is highly rated with an average rating of at least 4.0 stars from hundreds of reviews. I also ran it through price trackers like CamelCamelCamel to make sure it was at the lowest price in at least three months.