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Product & Supply Chain Standards
The Flask Vessel is manufactured within third-party audited quality and social-compliance systems. This page records what is verified at the facility, what is verified for the product, and what is not yet verified at all.
We distinguish between the two. A certified facility is not a certified product, and we do not present one as the other. Where evidence is incomplete, this page says so.
01 —
The Flask Vessel is a drink vessel built on the Erlenmeyer form. It is not laboratory equipment and is not intended for use with chemicals or reagents.
Verified specification
Interior
304 stainless steel
Construction
Double-wall vacuum insulated
Capacity
440 mL usable
Exterior form
500 mL envelope — the lid and vacuum wall occupy approximately 60 mL
Exterior finish
Matte powder coat, five colourways
Graduations
Laser-engraved through the powder coat
Closure
Stainless lid, leak-resistant, removable strap
Manufacture
China — Zhejiang province
Decoration
Laser engraving — Buford, Georgia
Material record
What it is
An austenitic chromium-nickel stainless steel, the standard grade specified for food and beverage contact surfaces.
Where it is used
The full interior surface — the only surface in sustained contact with the contents.
What is documented
TCC's own manufacturing specification.
What it is
A dry thermoset finish applied electrostatically and cured, forming the matte exterior and the substrate the graduations are engraved through.
Where it is used
Exterior wall only. No interior coating is applied.
What is documented
Applied at the certified manufacturing site. Formulation and supplier are under confirmation.
What it is
The evacuated space between the inner and outer walls that provides thermal performance without insulating material.
Where it is used
Between the two walls across the full body. It is also why the usable capacity is 440 mL rather than the 500 mL the exterior form suggests.
What is documented
Vacuumizing is a sub-contracted process, disclosed on the facility's BRCGS certificate scope.
What it is
A stainless lid body with a polymer sealing element.
Where it is used
The closure. The seal is a food-contact component.
What is documented
The seal polymer is under confirmation with our manufacturing partner.
We hold current third-party certifications for the facility where it is manufactured. Those certify the facility's systems and processes. They do not test this product, and we do not present them as though they do.
Product-specific testing — California Proposition 65, CPSIA lead content, and US food-contact evaluation under 21 CFR — is under review with our manufacturing partner. This page will be updated with the report references when that work is complete.
If your vendor-approval process requires product-specific test data before an order can proceed, tell us at the point of quote. We would rather say this plainly now than have it surface during your review.
02 —
Four independent bodies have audited or certified the facility where the Flask Vessel is manufactured. Each covers a different thing. None of them certifies the product itself.
Certification marks are not displayed. Certificate numbers and validity dates are supplied on request for verification against the issuing body's public register.
What it is
A certification standard for consumer-goods manufacturing covering product safety management, quality systems, hazard analysis, site standards and process control. Audited on site by a licensed certification body.
What it covers
The manufacture of stainless steel vacuum cups — metal working, injection, soldering, polishing, assembly and packing. Vacuumizing is performed by a sub-contractor and is identified as such on the certificate.
Issue
Issue 4, General Merchandise. Certified by Extensive Standard Technical Services.
Why it matters
It is the most direct third-party evidence that the facility operates a documented, audited product-safety and quality system rather than an informal one.
What it is
The Sedex Members Ethical Trade Audit — an ethical-trade audit methodology assessing labour standards, health and safety, environmental performance and business ethics. The 4-Pillar version is the full scope; 2-Pillar covers only the first two.
What it covers
The manufacturing site. Conducted unannounced by Intertek.
Why it matters
Most institutional supplier codes of conduct reference SMETA or accept it as evidence. A 4-Pillar audit answers environmental and business-ethics questions that a 2-Pillar audit does not.
What it is
A social-compliance monitoring system assessing thirteen performance areas including working hours, remuneration, freedom of association, occupational health and safety, child labour and environmental protection.
What it covers
The manufacturing site. Semi-announced full monitoring by TÜV Rheinland.
Why it matters
It provides a graded, per-area social-compliance record rather than a single pass or fail, which is what a supplier-diligence reviewer usually needs.
What it is
A Textile Exchange chain-of-custody standard verifying recycled input material and tracking it through production.
What it covers
A certified scope at the facility for cups, mugs and bottles, covering moulding, manufacturing, finishing and printing. Certified by TÜV Rheinland; the on-site audit recorded no non-conformities.
Why it matters
It establishes that the facility is qualified to produce to a recycled-content standard when a programme calls for it.
Scope noteAn RCS scope certificate confirms the facility is certified to process recycled material. It is not proof that any specific goods contain certified recycled content — that requires a transaction certificate issued against a particular order. The Flask Vessel is not produced or sold under a transaction certificate, and we make no recycled-content claim for it. The capability is available for programmes that require it.
ISO 9001 and Intertek Supplier Qualification Program documentation has been requested from our manufacturing partner and is not yet in our possession. It is not represented on this page.
03 —
The Flask Vessel is produced by a specialist stainless-steel drinkware manufacturing partner in Zhejiang, China, operating within documented quality and social-compliance systems.
The facility's processes include metal working, welding, polishing, injection moulding, printing, assembly and packing. Vacuum forming is performed by a sub-contractor to the facility. Laser engraving and decoration for North American programmes are performed by TCC in Buford, Georgia.
We do not publish the facility's legal name, address or contact details. This is standard practice in this category and it protects a supply relationship we have invested in developing. It is not a reluctance to be examined.
Qualified buyers conducting formal supplier diligence can receive facility identification, certificate numbers and validity dates under a confidentiality agreement as part of a procurement packet.
Request a procurement packet →04 —
Our manufacturing partner is audited under two independent social-compliance programmes — SMETA 4-Pillar and amfori BSCI — covering labour standards, working hours, remuneration, health and safety, business ethics and environmental management.
These audits identify findings. Ours have. We maintain an internal register of every finding recorded against our manufacturing partner, its corrective action and its closure status, and we review it on a fixed cycle.
We do not describe our supply chain as free of findings, because it is not, and a supplier that claims otherwise is either not being audited properly or is not telling you the truth. Buyers conducting formal diligence can discuss the current position with us directly.
The most consequential environmental property of a reusable vessel is how long it stays in use. The Flask Vessel is built as a single-material stainless body with a mechanical closure and no electronics, no adhesive laminates and no bonded plastic shell. Replacement lids, straps, cleaning tools and protective bases are stocked separately so a worn component does not retire the vessel.
Our manufacturing partner holds a current RCS-certified scope for cups, mugs and bottles. We can produce to that standard for programmes that require it, under transaction certification. We do not apply the claim to standard production.
Engraving and decoration for North American programmes are performed in Buford, Georgia, which shortens the decoration leg of the supply chain and keeps proofing and quality control under direct control.
05 —
What exists, what it covers, and how to obtain it.
| Area | Standard / Document | Evidence level | Status | Scope | Availability |
|---|---|---|---|---|---|
| Quality systems | BRCGS Consumer Products, Issue 4 | Facility-level verified | Current to 2027-07-23 | Manufacture of stainless steel vacuum cups | On request |
| Social compliance | SMETA 4-Pillar | Facility-level verified | Current | Manufacturing site — labour, health & safety, environment, ethics | On request |
| Social compliance | amfori BSCI | Facility-level verified | Current to 2027-05-05 | Manufacturing site — 13 performance areas | On request |
| Materials | Recycled Claim Standard — scope certificate | Facility-level verified | Current to 2027-04-02 | Cups, mugs and bottles — scope only, not product | On request |
| Product safety | California Proposition 65 | Not held | Pending product-specific verification | Flask Vessel | — |
| Product safety | CPSIA — total lead | Not held | Pending product-specific verification | Flask Vessel | — |
| Food contact | US FDA 21 CFR | Not held | Pending product-specific verification | Flask Vessel | — |
| Food contact | EU 1935/2004 · German LFGB | Not held | Pending product-specific verification | Flask Vessel | — |
| Quality systems | ISO 9001 | Not held | Requested from manufacturing partner | Manufacturing site | — |
| Supplier qualification | Intertek SQP | Not held | Requested from manufacturing partner | Manufacturing site | — |
| Supply chain security | Third-party security audit | Not held | Renewal in progress | Manufacturing site | — |
| Product specification | Flask Vessel technical specification | TCC record | Current | Dimensions, materials, capacity, colourways, SKUs, GTINs | Public — download |
| Intellectual property | US Design Patent D1,124,879 | TCC record | In force | Ornamental design | Public |
| Commercial | Trade terms, pricing, decoration guide | TCC record | Current | Ordering, MOQ, lead times | Public — download |
Certifications held by our manufacturing partner are that partner's property. We supply them to qualified buyers under confidentiality where our agreement permits, together with certificate numbers so you can verify them independently against the issuing body's public register.
06 — Procurement Support
We can provide product specifications, facility certification records with numbers and validity dates, manufacturing and quality-system documentation, social-compliance audit information and a compliance matrix formatted for supplier onboarding.
Tell us what your process requires and when it is due. If we hold it, you get it. If we do not, we will tell you that and tell you what it would take to obtain it.
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