Drinking bottle Formulas that changed the world (500ml)
Instead of discovering halfway through your proof - once again - that your coffee has gone cold, from now on pour that precious brew into your beautiful new math bottle and never drink room temperature coffee again! Indulge in the elegance of your work and the beauty of equations, both in your work and on your bottle. On this brick red bottle you will find some of the most important, groundbreaking equations our world has known. Go ahead and add your equation to the list.
With a textured design for a unique tactile experience, this bottle keeps your drink hot or cold until you're ready to enjoy it.
Please note that it is not dishwasher safe.
- Double-walled drinking bottle
- Screw cap with hanging ring and inside a silicone washer
- Stainless steel
- Not dishwasher safe
- Ethically and lovingly made in Hong Kong
Cognitive Surplus is a small and sustainable American brand committed to a sustainable workplace, green materials and an inclusive team with neurodivergent people and people with physical disabilities. For both their ecological and inclusive operations, they have received multiple awards at
, including from the City of Portland and the State of Oregon.
Also, they are of the principle that energy you can't save, you can still offset. For every order they ship, they do carbon offsets.
Their suppliers are carefully chosen and selected for their environmental and social impact. Many of their products are made in the U.S., but they also work with suppliers in India (baby bodies) and China (shoulder bags and notebooks), who are either WRAP-certified or audited by CS itself and can undeniably demonstrate that everything within their company is done under ethical and environmentally friendly conditions.
View the entire collection from Cognitive Surplus.
Choosing options
With a nerdy touch
