Peer Reviews
Core Sample 32 oz Steel Bottle
$ 50.00
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Perfect for hot days on dig sites, this Core Sample flask will make sure you've got ice cold water all day long. Take it with you next time you go fossil hunting or toss it in your bag and alight for the lab to analyze your most recent data set.
With a textured design for a unique tactile experience, this flask will keep your drink hot or cold until you're ready to enjoy it.
Infuser Basket Compatible
BPA-free
Hand-wash Only
Carbon Neutral Shipping & Operations
Compostable Packaging
Buy It With
$ 8.00
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$ 13.00
Here's how it works: the space between the inner and outer flask wall is evacuated, creating a vacuum (well, a partial vacuum anyway...). In order for heat transfer to take place from the outside world into your cold drink, or from your hot drink to the outside world, it needs nearby molecules to excite. If there aren't many molecules nearby, as is the case in a vacuum, the heat's energy can't easily be passed along, so your drink stays close to the temperature it was when you put it into the flask for a really long time.
Simply stated, vacuums make great thermal insulation!
| Volume | 32 oz | 950 mL |
| Width | 3.75" |
| Height | 9.25" |
| Opening | Wide mouth |
| Feature | Infuser basket compatible |
| Material | High-grade stainless steel |
| Origin | Designed in Oregon, Built responsibly overseas |
| Cap Material | High-grade stainless steel, silicone ring |
| Care | Hand wash only |
USA
Flat Rate $7.95
Orders $40+ ship for free
Expedited service available
International
Shipping is available to most countries. See details at checkout.
If you're shipping to Europe, Asia, the Middle East, or Oceania, please check out our European website for lower shipping rates and quicker delivery times.
Frequently Asked Questions
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When your order arrives, open it up and take a look. If anything isn't as expected, got damaged in transit, or doesn't fit properly, let us know and we'll make it right.
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Shipping is available to most countries. Simply select your country at checkout.
Shipping FAQIf you're shipping to Europe, please check out our EU website for lower shipping rates and quicker delivery times.
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We do our best to process and pack up orders within 1-2 business days. You will know your order has shipped when you receive tracking
information. Typically orders arrive within 1-8 days (depending on where you live) expedited shipping options are available at checkout. -
No problem! We offer full and partial refunds and exchanges. Read more here.
Further Research
Let customers speak for us
Perfect quality. Brilliant art.
Very nice
Exceeded my expectations
Sara G.
Skeleton Canvas Shoulder Tote
Life needs more little joys like this!
I love how cool this water bottle is. I've gotten so many compliments, and I find myself just staring at it multiple times a day. It's wonderfully insulated, and completely unique!
Anna L.
Core Sample 32 oz Steel Bottle
Perfect!
My daughter absolutely loves her bag! Great quality and very durable as well as being perfect for my forensic anthropology student daughter!
Michele W.
Skeleton Canvas Shoulder Tote
Water bottle from Cognitive Surpluswas a hit!
Bought my sister a water bottle for her birthday. She loves it and gets many compliments! I bought her the pharmacy themed water bottle along with the tea infuser.
Great Find on Sale
Love these notebooks and the graphic designs on the covers.
Love the colors on the covers
I am always satisfied with the notebooks and so lucky to get these on sale.
Me encanto, pero deberia incluir otra tapa.
Es genial!
This mug is so cute! It is dishwasher and microwave safe.
Love this scarf! It's made well, lightweight and the color and design are very nice. Received several compliments while wearing it.
Fun to Play in the Dark
I was intrigued by the black-paper notebooks and suggested metallic pens. As an artist, I've always loved the way things look on black paper, and I thought it was a great idea to have a whole notebook full to sketch pictures and take notes. It makes me happy just to open the pages and play.
Gell pens
I loved the colors.
Rugged but beautiful
I absolutely adore my Cognitive Surplus canvas tote bags. I use them for groceries and they are great for cans and jars that some other multiuse bags don't handle. They also work for toting necessities when going on an adventure to the beach or mountains.
Carolyn P.
Beware the Kraken Canvas Shoulder Tote
beautiful colors, good size and shape
I bought these as a gift but I want one for myself now. I prefer shorter squatter mugs so these are really nice for that. The color on the inside adds a nice playful pop. The design is nice and I like that there isn't a harsh cutoff. I'm picky with my mugs, so these excite me.
