30 Oz Leak-Proof Travel Tumbler

Engineered for daily commuting and outdoor travel, this 30 oz Leak-Proof Travel Tumbler features an advanced threaded lid system that prevents liquid spillage during movement. Constructed with food-grade 18/8 stainless steel and double-wall vacuum insulation, this 30 oz Leak-Proof Travel Tumbler maintains internal beverage temperatures for extended hours while featuring a tapered base designed to fit standard automotive cup holders.

 

 

100% Spill & Leak Proof: Precision-threaded lid with dual-silicone sealing gaskets prevents liquid escaping during movement or accidental tipping.

Double-Wall Vacuum Insulation: Copper-lined thermal barrier keeps drinks cold for up to 24 hours or hot for up to 8 hours.

Car Cup Holder Compatible: Slim lower base diameter fits standard vehicle cup holders securely.

Sweat-Free Exterior: Vacuum insulation keeps the outer surface dry, eliminating condensation and improving grip.

Heavy-Duty Construction: Impact-resistant 18/8 stainless steel core resists denting, punctures, and structural degradation.

 

 

Parameter	Specification Details
Capacity	30 oz / 900 ml
Material (Body)	Inner & Outer 18/8 (304) Food-Grade Stainless Steel
Material (Lid)	BPA-Free Tritan / AS Plastic + Food-Grade Silicone Seal
Insulation Type	Double-Wall Vacuum with Internal Copper Coating
Thermal Performance	Cold retention: 24 Hours | Hot retention: 8 Hours
Base Diameter	2.85 in / 7.2 cm (Fits standard car cup holders)
Top Diameter	3.8 in / 9.6 cm
Height (w/o Lid)	8.8 in / 22.3 cm
Weight (Empty)	410 g
Certifications	FDA, LFGB, REACH, BPA-Free, Prop 65 Compliant
Standard Packaging	Egg-crate bulk packaging / Individual white box / Custom color box
Minimum Order Quantity	1,000 units (Standard colors) / 3,000 units (Custom PMS colors)

 

 

Food-Grade 18/8 Stainless Steel: Non-reactive, corrosion-resistant inner wall preserves original drink flavors without metallic transfer.

Copper Thermal Barrier: Internal copper plating applied to the vacuum wall enhances temperature retention by reflecting thermal radiation.

Precision Vacuum Sealing: High-vacuum processing removes air between walls, preventing heat transfer via conduction and convection.

 

 

Lid Options: Screw-on leak-proof flip lid, press-in slide lid, or dual-purpose sip & straw lid.

Handle Options: Ergonomic molded plastic handle, integrated stainless steel handle, or detachable silicone strap.

Straw Options: Food-grade silicone straws, reusable stainless steel straws, or folding integrated straw lids.
 

Surface Finishes: Matte powder coating, glossy paint, UV gradient printing, rubberized touch coating, polished raw steel.

Color Customization: Pantone matching available for custom brand colorways.

 

 

Logo Application: Laser engraving, silk-screen printing, 3D digital printing, heat transfer, or water transfer printing.

Custom Packaging: Custom sleeve wraps, branded color boxes, gift sets, and barcode labeling.

Tooling Support: Custom mold development for unique lid shapes, custom handles, or distinct body contours.

 

 

Retail & Brand Merchandising: Private label production for outdoor, sports, and lifestyle drinkware brands.

Corporate Promotions: Branded giveaway items for corporate events, employee gifts, and promotional campaigns.

Automotive & Travel: Daily commuting, road trips, and long-distance travel accessory lines.

 

 

Automated Production Lines: Automated robot welding and vacuum sealing ensure dimensional accuracy and consistent thermal performance across bulk production runs.

Stringent Vacuum Testing: Every 30 oz Leak-Proof Travel Tumbler undergoes a 100% two-step thermal testing process on the production line to verify vacuum integrity before coating.

In-House Coating Facility: Electrostatic powder coating lines provide uniform thickness, high adhesion strength, and scratch resistance.

Full Regulatory Compliance: Raw materials and finished products undergo regular third-party testing for FDA, LFGB, and BPA-free safety standards.

Complete Quality Inspection: Production protocols follow AQL 2.5 standards covering raw material incoming checks, inline coating inspection, and final pre-shipment sampling.

 

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