The GERING 355ml Insulated Stainless Steel Coffee Tumbler is designed for daily use at home, in the office, or while commuting. Its compact size holds a standard serving of coffee without the bulkiness often associated with larger travel mugs.
Send InquiryManufactured in our ISO-certified, 10,000-square-meter facility, the Insulated Stainless Steel Coffee Tumbler features an interior made of food-grade 304 stainless steel. This material is widely used in drinkware for its ability to preserve the beverage's original flavor and resist odor retention.
The double-wall vacuum insulation ensures beverages maintain their temperature for extended periods during normal use. The rim is smooth and rounded for comfortable direct sipping, while the powder-coated exterior offers a pleasant tactile feel and a secure grip.
With a capacity of 355ml (12 oz), the tumbler accommodates standard coffee servings and is designed for easy one-handed use or convenient portability in a bag.
Double-Layer Stainless Steel Build: Outer SS201 for stability, inner SS304 for high-quality beverage storing.
Thermal insulation feature: Helps maintain hot or cold temperatures for extended periods
Comfy drinking experience: Smooth rim gives a natural and enjoyable sip every time.
Portable design: The insulated stainless-steel coffee tumbler fits easily into car cup holders’ bags, and office desks.
Contemporary Aesthetic Appeal: A sleek design that includes soft color tones that enhances product appeal.
Capacity: 355ml / 12.01oz
Material: SS201 (outer) + SS304 (inner)
Structure: Double-wall insulated
Weight: Lightweight and travel-friendly
Not all stainless steel tumblers use the same materials or manufacturing standards. The GERING Insulated Stainless Steel Coffee Tumbler is built with consistent specifications and controlled production processes to ensure stable quality across batches.
| Manufacturing Detail | GERING Standard | Why It Matters |
|---|---|---|
| Inner Surface Finish | Electro-polished 304 stainless steel | Prevents bacterial growth and ensures easy cleaning |
| Vacuum Layer | High-efficiency vacuum insulation with copper coating | Maximizes temperature retention for longer enjoyment |
| Lid Seal | Food-grade silicone gasket with precision fit | Provides reliable leak resistance without requiring excessive tightening |
| Rim Edge | Smooth-rolled, burr-free edge | Ensures comfortable drinking with no sharpness |
| Exterior Coating | Scratch-resistant, UV-stable matte paint | Maintains aesthetic appearance even with daily handling |
| Quality Inspection | 100% visual inspection + random performance testing | Guarantees consistent quality across every batch |
Every tumbler is produced in our 10,000m² ISO-certified facility in Jinhua, China, where over 200 skilled workers follow strict quality management protocols — from raw material inspection to final packaging.
If you are considering to buy an Insulated Stainless-Steel Coffee Tumbler, the GERING model is an outstanding type because it creates a balance between reliable insulation and its compact size. Our customer in South Africa, assures us that the insulated steel tumbler keeps coffee hot for hours and does not leak while sipping the drink. Making it one stop for coffee addicts.
| Feature | Mass-Market Tumblers | GERING Insulated Stainless Steel Coffee Tumbler |
|---|---|---|
| Inner Material | Unknown or mixed grade | Food-Grade 304 Stainless Steel |
| Rim Finish | Often sharp or rough | Smooth-polished, burr-free rim |
| Temperature Data | Vague claims | 3h hot / 5h cold (lab-verified) |
| Quality Assurance | Inconsistent | 100% inspection + random testing |
| Supplier Transparency | Unclear origin | ISO + BSCI certified facility |
At 210 g and 13.5 cm in height, the tumbler is easy to carry in a bag or backpack. The screw-on lid helps reduce spills during commuting by train, bus, or car.
Suitable for use during meetings or working hours. The 355 ml capacity fits standard coffee servings and is designed to sit comfortably on most desks without taking up much space.
The compact size and powder-coated exterior provide a stable grip for use while walking or during short outings such as coffee runs.
Suitable for daily use at home for coffee, tea, and other beverages. The lid helps reduce dust exposure when not in use.
Suitable for retail, promotional programs, and gifting. Available in multiple color options for different market needs.
Reusable Design
The tumbler is designed for repeated daily use and helps reduce reliance on single-use cups.
Recyclable Material
The stainless steel body is recyclable through established metal recycling systems at the end of its service life.
Responsible Manufacturing
Our factory is BSCI certified, reflecting compliance with recognized standards for social responsibility in manufacturing.
Durable Construction
Made with stainless steel and a powder-coated exterior, the tumbler is designed for long-term use under normal conditions.
Packaging and Logistics
We work to optimize packaging size and shipping methods to improve transport efficiency where possible.
Q1: Is this Insulated Stainless Steel Coffee Tumbler safe for hot beverages like coffee and tea?
A: Absolutely. The inner wall is made from food-grade 304 stainless steel — the industry standard for hot beverage contact. It's non-toxic, odorless, and complies with international food safety standards. We recommend filling with beverages up to 90°C for safe handling.
Q2: How long does this tumbler keep drinks hot or cold?
A: Double-wall vacuum insulation keeps hot drinks at drinking temperature for up to 3 hours and cold drinks chilled for up to 5 hours. Performance may vary depending on initial beverage temperature and ambient conditions.
Q3: Is the lid leak-proof?
A: The screw-on lid features a food-grade silicone sealing gasket that provides excellent leak resistance for daily commuting and bag carry. While we recommend keeping the tumbler upright when full, it significantly reduces spills compared to open cups.
Q4: Can I put this tumbler in the dishwasher?
A: We recommend hand-washing with warm, soapy water and a soft sponge to preserve the matte finish and protect the lid seal. The simple design makes cleaning quick and hassle-free.
Ready to partner with a professional China manufacturer? Submit your inquiry to GERING for a fast, detailed response. Whether you need a catalog, pricing, or support with customizing your own line of drinkware or home appliances, our experienced team is here to assist. We provide factory-direct solutions tailored to your market requirements.
