Polar Bear - 20oz Polar Insulated Tumbler

Color: Matte Black
Matte Black
3 trees planted & a portion donated with every order

Our Polar tumbler is a 20 oz double wall stainless steel powder coated thermal bottle. The matte finish feels smooth to the touch. Copper vacuum insulation keeps drinks cold for up to 24 hours and hot for up to 8 hours.  We laser engrave the design for a strong permanent premium finish. 

Comes with a push-on lid. The lid contains a vent-hole and is straw friendly, but there is no straw included with the tumbler.


  • 20-ounce fluid capacity
  • Push on Lid. Straw not included.
  • Matte Finish
  • Laser Engraved on 1 Side
  • Hand wash recommended
  • Fits in most Cupholders
  • 7.5" tall x 3.5" diameter 

Please allow for slight variations in color, engraving and image placement/size.

Customer Reviews

Based on 15 reviews
Cathleen Reusser
Cheers! To the drink cup!

Great graphics, high quality cup! I'll buy again.


Love this mug - a beautiful design, nice feel, good quality, and easy to wash - no unreachable crevices in the lid. Gonna be a new favorite! EDIT: not so high-quality on the outside… I’ve discovered it scratches easily.

carol nyhoff
Dog lovers

The mug came as advertised

Nice sleek design

I am very happy to support BeCause. This is a group that supports the environment. The product is comfortable to hold.. Along with its sleek design, It holds 20 oz. Of liquid. My only problem is with the mouth piece, I wish that it had a way to close it off.

Really cool

Really cool, use it every day!


We have a variety of shirt styles depending on your fit preference. Compare them at the links below:

Shirt Comparison Chart

Sweatshirt Comparison Chart

Everything is shipped from Cotati, Northern California. Here's our Shipping Policy.

We're partnered with Veritree who plant the trees on our behalf. They're currently planting trees in Canada, Kenya, Madagascar, the United States, and Tanzania with plans to quickly expand to more sites in the coming months. You can find out more about them on their website:

We plant 3 trees per order by donating to Veritree, and 3% is donated to our charities: The Ocean Cleanup North Pacific Foundation, National Forest Foundation, and Pollinator Partnership.

You can find some more info about it here:

While everything is drawn, printed, and shipped by us in Northern California, the article manufacturer's location varies depending on style and batch. Some of the factory locations include but aren't limited to, India, Mexico, Nicaragua, China, and Haiti.

We only work with WRAP-certified companies to ensure ethical practices - you can find out more about this here:

Our organic 'Made in USA' options are made in the USA, for the people of the USA!

We use US suppliers as much as possible, e.g., our Heavyweight 100% Cotton Long Sleeve Tees are made with sustainably grown USA cotton and sewn with USA cotton thread, so you can feel good about supporting American farmers.

This is a difficult question to answer because everyone has a different body type and a different preference to what is their "ideal fit". We recommend you find your favorite fitting shirt in your closet and measure from armpit to armpit. Then, take a look at our size chart listed on each individual style and compare the measurements. 

Yes! At Because Tees, we want you to be completely satisfied with your purchase. If, for any reason, you need to exchange or return an item, head to our Returns Portalto get started.

Customers can exchange or return their purchase within 100 days of the original purchase date. The item must be unused and in the same condition that you received it. We cannot accept returns or exchanges on worn or washed items. If you would like to exchange an item, please use our automated exchange system on our website. Once we receive the item(s), we will send your replacement. You will be responsible for shipping the original item(s) back to us.

For returns, you can use our automated return system on our website. Once we receive the return, please allow 1-3 days for your refund to be processed. Please note that we don't send return shipping labels or refund shipping charges.

Also, please be aware that we are a small business, so while we are happy to exchange, we cannot cover shipping fees for returned items. We will, however, cover the cost of sending out the new item(s) to you for US shipments only. Canadian and International shipments will be charged a shipping fee for the exchange. An order can only be exchanged once. Free Gifts cannot be exchanged or returned.

View our full Returns Policy. Please do not hesitate to contact us if you have any questions or concerns; our customer service team is always happy to help.

We hope to someday open a Bricks-and-Mortar shop, but for now, we just run out of our office/warehouse!