Double Wall Glass Coffee Mug Manufacturer | Wholesale

Color Options:

• Clear Transparent Glass

Material & Craftsmanship:

• High-quality borosilicate glass for heat resistance and durability

• Double-wall construction for superior insulation

• Smooth, polished handle for comfortable use

• Elegant goblet base design for stability and aesthetic appeal

Packaging:

• Individually packed in protective kraft boxes with foam inserts

• Bulk carton packaging suitable for export

• Custom packaging and branding options available upon request

Applications:

• Ideal for serving coffee, tea, cocktails, or other beverages

• Perfect for home, office, cafés, or special occasions

• Keeps drinks at the desired temperature longer

• A stylish and functional drinkware choice for gifting

Company Introduction:

As a comprehensive glassware manufacturing partner, KINGSTAR GLASS serves a diverse global B2B market with an expansive product portfolio. Beyond our thermal cups, we specialize in Wine Decanters, Glass Bowls & Plates, and large-format Beverage Dispensers. We support our partners with robust OEM/ODM services, including custom logo etching, bespoke color-tinted glass handles, and premium gift packaging. Our factory-direct efficiency and strict quality auditing make us the strategic choice for importers and hospitality groups worldwide.

A smarter, more beautiful way to enjoy coffee. As a specialized double wall glass coffee mug manufacturer, KINGSTAR GLASSWARE creates a product that is a perfect blend of science and style. Each mug is meticulously hand-blown from two layers of durable borosilicate glass, creating an insulating layer of air. This thermal innovation keeps hot drinks hot and cold drinks cold for longer, all while the outer wall remains comfortable to the touch and free of condensation. It's a premium offering for specialty coffee shops, upscale restaurants, and high-end home goods retailers.

How does the double wall insulation actually work?

The magic is in the sealed air gap between the two glass walls. Air is a poor conductor of heat. This trapped layer of air dramatically slows down the transfer of heat from the hot coffee to the outer wall and your hand. The same principle works in reverse for cold drinks, preventing ambient warmth from reaching the liquid and stopping messy condensation from forming on the outside. It's the same science used in high-performance thermal windows.

What is the small dot at the bottom of the mug?

This is a common and important question. That small, sealed silicone vent is a sign of quality manufacturing. During the final stage of production, this vent allows air pressure between the two walls to equalize with the atmosphere. It is then permanently sealed to be hydrophobic (repel water), preventing any liquid from entering the air gap while still allowing the mug to "breathe" when subjected to temperature changes. This prevents stress on the glass and is crucial for the mug's durability.

What is your MOQ for these mugs and can they be branded?

As this is a hand-blown, labor-intensive product, the production process is more involved. For our double wall glass coffee mugs, the Minimum Order Quantity (MOQ) typically starts around 1,000 to 2,000 units per style. As a leading OEM partner, we offer subtle and elegant branding options. We can print your cafe's or brand's logo on the glass, creating a sophisticated piece of branded drinkware that enhances your customer's experience.

Choosing KINGSTAR GLASSWARE means sourcing a technically advanced, beautifully crafted product from a factory that has mastered the art of hand-blown thermal glassware.

Ready to elevate your coffee service? Contact us for a wholesale quote.

FAQ

Are they really dishwasher and microwave safe?

Yes. Because they are made from high-quality borosilicate glass, they can handle the rapid temperature changes of both microwaves and dishwashers.

Are they fragile?

While they are still glass, they are surprisingly durable. Borosilicate glass is stronger and more shatter-resistant than standard glass. They are designed for everyday use in a cafe or home environment.

Why do they feel so lightweight?

Although there are two walls, each wall is blown to be thin yet strong. The air gap between them has no weight. This results in a mug that has a large capacity but feels unexpectedly light and comfortable to hold.