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China Leakproof Insulated Coffee Mug Manufacturer, Supplier, Factory

Jianyang manufactures Leakproof Insulated Coffee Mug products for daily coffee, tea, and beverage use. The mug combines a stainless steel body, double-wall vacuum insulation, and a sealed lid structure to reduce leakage during carrying. With a 500ml capacity, welded handle, and cup-holder-compatible design, it is suitable for offices, commuting, driving, travel, and outdoor activities. Jianyang provides OEM and ODM production for customized drinkware orders.

Product Overview

The Leakproof Insulated Coffee Mug is designed for users who need to carry beverages between different locations without relying on an open cup. Its sealed lid helps contain the beverage when properly closed, while the double-wall vacuum structure reduces heat transfer between the drink and the surrounding environment.

The mug is made from 18/8 stainless steel and has a 16.9 oz (500ml) capacity. A 360-degree welded handle provides a stable grip, while the soft-touch base helps keep the mug steady when placed on a desk, table, or other flat surface.

Leakproof Construction

Sealed Twist Lid

The lid uses a twist structure that secures it to the mug body. When fully closed, the sealing components help reduce the risk of liquid escaping during normal carrying and transportation.

Adjustable Drinking Opening

The drinking opening allows users to control beverage flow while drinking. Closing the opening after use provides an additional barrier against accidental spills.

Sealing Components

The sealing parts are integrated with the lid to create a closed drinking system. Keeping the sealing components clean and correctly installed is important for maintaining the intended leak-resistant performance.

Vacuum Insulation Performance

The Leakproof Insulated Coffee Mug uses a double-wall vacuum structure to slow heat transfer between the inner wall and the external environment. This design helps hot coffee, tea, and other warm beverages retain heat for longer, while cold drinks can remain cool for an extended period.

The vacuum structure also separates the beverage from the exterior surface, making the mug more comfortable to hold when it contains a hot or cold drink. Actual temperature retention depends on the starting beverage temperature, ambient conditions, filling level, and frequency of opening.

Product Specifications

Item Specification
Product Name Leakproof Insulated Coffee Mug
Capacity 16.9 oz / 500 ml
Material 18/8 Stainless Steel
Insulation Structure Double-Wall Vacuum
Lid Type Twist Lid with Sealing Structure
Drinking Opening Adjustable Flow Opening
Handle 360° Welded Handle
Base Soft-Touch Anti-Slip Base
Cup Holder Compatibility Suitable for Most Standard Cup Holders
Components BPA-Free Components
Customization OEM / ODM Available

Design Details

360° Welded Handle

The welded handle connects securely with the mug body and provides a practical grip for carrying and drinking. Its shape also leaves sufficient space for hand placement without interfering with the lid.

Soft-Touch Base

The bottom of the mug uses a soft-touch base to increase contact stability on common indoor surfaces. It also helps reduce direct contact between the stainless steel body and the tabletop.

Magnetic Slide Rail

The lid incorporates a double magnetic slide rail that helps keep the drinking opening in its intended position during use. The sliding mechanism can be opened when drinking and closed when the mug is being carried.

Detachable Lid Components

Selected lid components can be removed for cleaning. This allows users to access areas around the drinking opening and sealing parts where beverage residue may accumulate.

Beverages and Usage Scenarios

Coffee and Tea

The 500ml capacity provides space for daily coffee, tea, and other warm beverages. The vacuum structure helps slow temperature loss during working hours or travel.

Cold Beverages

The same insulated construction can be used for cold water, iced beverages, and other chilled drinks when temperature retention is required.

Office Use

The mug can be placed on desks and work surfaces while its sealed lid allows users to close the drinking opening between uses. The handle provides an additional grip when moving the mug around the workplace.

Driving and Commuting

The body is designed to fit most standard vehicle cup holders. The sealed lid helps reduce spills when the mug is properly closed during transportation.

Travel and Outdoor Activities

The stainless steel construction and portable design make the Leakproof Insulated Coffee Mug suitable for road trips, camping, walking, and other outdoor activities requiring a reusable beverage container.

Cleaning and Daily Care

The mug should be cleaned after regular use with a soft sponge and mild detergent. Abrasive brushes and rough cleaning tools should be avoided to reduce the risk of scratching the surface.

Remove the detachable lid components when necessary and clean the drinking opening and sealing areas separately. After washing, allow the mug and lid components to dry completely before reassembly and storage.

OEM & ODM Service

Jianyang provides OEM and ODM manufacturing for Leakproof Insulated Coffee Mug projects. Customers can customize product colors, surface designs, logos, packaging, and selected structural details according to their product requirements.

The company has a 15-person R&D team and develops approximately 30 new drinkware designs each year. Jianyang can support customized product development from design confirmation and sampling through bulk production.

Quality Control

Jianyang carries out quality checks during raw material preparation, production, and final shipment. Incoming materials are inspected before manufacturing, while finished products are checked for insulation performance, leakage, paint adhesion, appearance, and overall product condition.

More than 30 quality inspectors participate in production and shipment inspection. Each batch is checked before departure to identify issues that could affect product consistency or usability.

Why Choose Jianyang?

Stainless Steel Drinkware Manufacturing Experience

Yongkang Jianyang Metals Co., Ltd. was established in 2008 and specializes in stainless steel drinkware, including water bottles, vacuum flasks, travel mugs, food jars, and coffee mugs.

20,000 m² Production Facility

Jianyang operates a 20,000-square-meter factory with a daily production capacity of approximately 20,000 pieces, providing production capacity for both standard and customized bulk orders.

Dedicated R&D Team

A 15-person R&D team supports product development and customized drinkware projects, with approximately 30 new designs developed annually.

Quality and Compliance Certifications

Jianyang holds BSCI, SEDEX, WCA, ISO9001, ISO14001, and RCS certifications, providing supporting documentation for customers with international supplier and compliance requirements.

FAQ

Q1: How does the Leakproof Insulated Coffee Mug reduce leakage?

The mug uses a sealed twist lid, sealing components, and a closable drinking opening. When the lid is fully closed and correctly assembled, these components help reduce leakage during normal carrying.

Q2: What is the capacity of this Leakproof Insulated Coffee Mug?

The standard model has a capacity of 16.9 oz (500ml). Other specifications may be available for OEM and ODM projects.

Q3: What material is used for the mug?

The mug body is made from 18/8 stainless steel and uses a double-wall vacuum insulation structure.

Q4: Can the coffee mug fit in a car cup holder?

Yes. The mug is designed to fit most standard-sized vehicle cup holders.

Q5: Can Jianyang customize the Leakproof Insulated Coffee Mug?

Yes. Jianyang supports OEM and ODM customization for colors, logos, surface designs, packaging, and selected product requirements.

Q6: How is the leak resistance tested?

Leak testing is included in Jianyang's shipment inspection process. Finished products are checked together with insulation performance, paint adhesion, appearance, and other quality indicators before delivery.

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