HarborPeak 30 oz Tritan Lid Vacuum Tumbler

Triple-Wall Vacuum Insulation Built for Daily Service

The HarborPeak 30 oz Tritan Lid Vacuum Tumbler uses a triple-wall vacuum construction: an inner stainless steel 304 shell, a middle vacuum chamber, and an outer wall. This configuration slows conductive and convective heat transfer more effectively than a standard double-wall body. In practical terms, the drinker holds a tumbler that stays cool on the outside whether the contents are ice water or hot coffee, and the liquid inside stays at temperature for the duration of a work shift or outdoor activity.

The 304 grade stainless steel inner wall is the food-contact surface. Stainless steel 304 is the common specification for drinkware sold into the US and EU markets because it resists acidic beverages (coffee, citrus water, carbonated drinks) without leaching or metallic taste transfer. HarborPeak forms and polishes this inner surface before assembly so the buyer receives a tumbler that is clean, smooth, and ready for food-contact compliance documentation.

Tritan Flip Lid With Silicone Gasket Seal

Each tumbler ships with a Tritan (BPA-free copolyester) flip-style lid. The lid has a splash-resistant sliding closure and a food-grade silicone gasket that presses against the rim when closed. This seal is what keeps liquid from escaping when the tumbler tips sideways in a car cup holder or gym bag. Tritan is the material of choice for premium drinkware lids because it is transparent, does not shatter like acrylic, and does not carry the BPA labeling concerns that some buyers in the United States and Germany specifically ask about.

The lid is push-in fit, not threaded. This means it works with the HarborPeak 30 oz body opening and is interchangeable within the grp-tritan-30oz product family. Buyers sourcing replacement lids or lid color variants should confirm the opening diameter matches before ordering a mixed lid batch.

Regulatory Compliance for US, UK, and German Buyers

The food-contact materials on this tumbler are the stainless steel 304 inner wall, the Tritan lid, and the silicone gasket. These three components are the compliance surface, and each one is testable against the relevant food-contact standard:

• United States: FDA food-contact material requirements (21 CFR applicable sections for stainless steel, Tritan polymer, and silicone).
• European Union and Germany: LFGB (Lebensmittel- und Futtermittelgesetzbuch) food-contact compliance, the standard German buyers and laboratories reference for tumblers sold into the EU market.
• United Kingdom: UK food-contact material regulations, applicable post-Brexit for tumblers distributed in the UK market.

HarborPeak provides food-contact compliance documentation for the stainless steel, Tritan, and silicone components as part of the standard export documentation package. Buyers requiring per-batch migration test reports or third-party lab certificates (SGS, TÜV, Intertek) should specify the lab and standard at the inquiry stage so the production plan accounts for sampling and lead time.

Powder Coated Exterior and Color Options

The exterior is powder coated, not spray painted. Powder coating is an electrostatically applied dry powder that is cured under heat, producing a finish that bonds to the metal surface and resists chipping, scratching, and fading better than wet paint. For promotional drinkware buyers, this matters because a tumbler printed with a company logo still has to survive daily handling, dishwasher cycles, and UV exposure without the coating peeling near the print area.

Standard color options include Navy Blue, Matte Black, Forest Green, and Stainless (uncoated polished finish). Custom Pantone-matched colors are available with a longer lead time and a higher MOQ for the coating setup. Logo decoration is available via laser engraving (exposes the steel beneath the coating) or silk-screen printing (applies ink over the coating); the decoration method should be selected before production because it affects the color recommendation and coating thickness.

Selection Guidance for Procurement Buyers

Buyers comparing this tumbler against double-wall alternatives should weigh the triple-wall construction against the unit cost difference. Triple-wall bodies use more material and a more complex assembly weld, so the per-unit price is higher than a double-wall 30 oz tumbler. The trade-off is longer hold temperature and a cooler outer surface, which matters for outdoor, industrial, and gifting applications where the tumbler is held for extended periods.

For promotional drinkware programs targeting the US corporate gifting market or the German trade-fair giveaway market, the 30 oz capacity is the size that fits standard car cup holders while still offering enough volume for an all-day beverage. Buyers running a logo program should finalize the artwork vector file, the decoration method, and the proof approval before the coating line begins, because reworking coated tumblers after decoration is not cost-effective.

Ordering, Packaging, and Lead Time

The minimum order quantity is 500 pieces. Bulk packing is standard; individual retail gift-box packaging is available on request and should be specified at inquiry because it affects carton dimensions, pallet configuration, and ocean freight volume. Production lead time for a standard color and undecorated tumblers is approximately 25 to 35 days from deposit confirmation. Custom Pantone colors, logo decoration, and third-party lab testing each add time to this baseline.

Loading port is Ningbo, China. HarborPeak ships FOB Ningbo by default; CIF and DAP terms to US East Coast, Hamburg, and Felixstowe are available and should be quoted with the destination port at the inquiry stage so the freight calculation is accurate.