Flask Vessel · Object 01 · FV-01
≈440 mL / 15 fl oz usable · 304 stainless steel · double-wall vacuum insulated · matte powder coat
Quick care reference
- Wash — hand wash recommended.
- Heat — do not microwave and do not freeze.
- Use — everyday beverages only: water, coffee, tea.
- Chemicals — never use with laboratory chemicals, reagents, corrosive liquids, or experimental substances.
- Lid — secure fully before carrying.
- Finish — avoid abrasive cleaners and scouring pads.
Cleaning
Fill the vessel with warm or hot water and a small amount of dish soap, secure the lid, and shake vigorously. Empty it and rinse thoroughly. Hand washing is recommended to preserve the powder-coated finish and ensure long-term durability.
For a deeper clean, use a silicone flask brush shaped to reach the interior contours of the vessel. Avoid abrasive cleaners or scouring pads, as they may damage the finish.
Wash the lid separately and clean the threads on both the lid and the neck, where residue collects. Wipe the fabric strap and let it dry fully if it gets wet. Dry everything before storing, and store with the lid off or only loosely fitted.
Use note
The Flask Vessel is not laboratory equipment. It is a drink vessel inspired by laboratory form. It should not be used with laboratory chemicals, reagents, corrosive liquids, or experimental substances.
Capacity
The vessel is built to the exterior dimensions of a 500 mL Erlenmeyer flask, and the engraved graduations follow that form. The double-wall construction and the lid assembly occupy some of the internal volume, so true usable capacity is approximately 440 mL — about 15 fl oz.
Damaged, defective, or wrong on arrival
This one is on us. Report it within 3 days of delivery with your order number and photographs of both the item and the packaging. Carriers set their own deadlines on damage claims, and photographs of the packaging are what allow us to file one.
We will put it right with either a refund or a replacement. You will not need to ship the item back, and you will not pay anything.
If you change your mind
Standard, unused Flask Vessels in their original packaging may be returned within 14 days of delivery. Contact us before sending anything back. Return shipping to our facility is the buyer's responsibility, and original shipping charges are not refunded. Refunds are issued once we have received the item back and inspected it.
Manufacturing defects found later
Some faults are not apparent in the first few days — a lid seal that fails, a coating flaw, or insulation that stops performing. Contact us with your order number, a description, and photographs. These are reviewed and resolved case by case. We do not publish a fixed warranty term.
Custom and engraved Flask Vessels
Personalized and engraved Flask Vessels are final sale — they are made for a single buyer and cannot be resold. If one arrives damaged or defective, or the engraving does not match what was approved, that is handled as a defect rather than a return.
What is not covered
- Normal cosmetic wear from daily use — scuffs and finish marks are expected on an object carried every day.
- Accidental damage, drops, and dents.
- Damage from microwaving or freezing.
- Damage from use with chemicals, reagents, or other non-beverage contents.
Product support
Email info@thecalculatedchemist.com or use the product support form. Include your order number, a short description of the issue, and photographs where damage or a defect is involved.
Custom, engraved and bulk orders: wholesale@thecalculatedchemist.com
Full terms: Returns, Damage & Defects · View the Flask Vessel
