WarmSip Insulated Coffee Cups
Product Spotlights
Wuhan Century Kingxin Co., Ltd., established in 2018 and based in Wuhan, China, is a professional manufacturer specializing in insulated drinkware. With an annual export value of US$2.5–5 million and over 50 skilled employees, we have built a solid reputation in North America, Europe, Southeast Asia, and beyond. Our WarmSip Insulated Coffee Cups represent the perfect blend of cutting-edge thermal technology and practical design, ensuring your coffee stays at the ideal temperature for hours while offering durability and style for daily use.
Whether you are a coffee lover commuting to work, an office professional seeking a reliable mug, or a café owner looking for a premium reusable cup, WarmSip delivers exceptional performance. Each cup features double-wall vacuum insulation, a leak-proof lid, and premium materials that are BPA-free and safe for long-term use. Below we break down the key features, specifications, and benefits that make WarmSip the smart choice for both personal and business needs.
Key Features & Benefits
- Advanced Double-Wall Vacuum Insulation – Keeps hot drinks hot (up to 6 hours) and cold drinks cold (up to 8 hours). No condensation on the exterior, protecting your hands and surfaces.
- Premium 18/8 Stainless Steel Inner – Rust-resistant, easy to clean, and retains no odors or flavors from previous drinks.
- Leak-Proof Lid Design – Silicone gasket and secure press-fit or screw-on lid prevent spills during travel. Optional one-hand push-button lid available.
- BPA-Free, Food-Grade Materials – Lid and interior lining are made from safe, non-toxic materials (PP/Tritan). Suitable for hot and cold beverages.
- Ergonomic & Portable Shape – Slim base fits most car cup holders; textured silicone sleeve (optional) provides comfortable grip and extra insulation.
- Easy to Clean – Wide mouth opening allows thorough hand washing; dishwasher safe (check lid compatibility).
- Customizable Options – Available in multiple colors, sizes, and with your company logo or pattern. OEM/ODM welcome.
- Eco-Friendly Reusable Solution – Replace disposable coffee cups and reduce waste. Ideal for corporate gifts, promotional events, and retail.
Technical Specifications
| Capacity Options | 12 oz (355 ml), 16 oz (473 ml), 20 oz (591 ml) – custom sizes available upon request |
| Material | Inner: 18/8 Stainless Steel (304 grade); Outer: Stainless Steel or powder-coated finish; Lid: PP / Tritan with silicone ring |
| Insulation | Double-wall vacuum insulated; Hot retention: 6 hours (95°C to 55°C); Cold retention: 8 hours (ice water below 10°C) |
| Weight (16 oz) | Approx. 280 g (9.9 oz) – varies slightly by size and finish |
| Dimensions (16 oz) | Height: 145 mm (5.7 in); Diameter: 80 mm (3.15 in) at base |
| Lid Type | Standard press-fit with slide closure (leak-proof); Optional screw-top or flip lid |
| Color Finish | Matte black, white, silver, rose gold, custom colors (Pantone matching) with durable coating |
| Customization | Laser engraving, silk-screen logo, UV printing, embossed patterns – MOQ negotiable |
Why Choose WarmSip from Wuhan Century Kingxin?
Our factory is ISO9001 certified, ensuring consistent quality control from raw material sourcing to final packaging. We have exported over 500,000 units to clients across North America, Europe, South America, and Africa. With an experienced team of 51–100 employees and an overseas office for instant communication, we provide rapid response, competitive pricing, and reliable shipping from major ports like Wuhan, Shanghai, Shenzhen, and Ningbo.
We understand that every buyer has unique needs. That’s why we offer flexible customization: choose your capacity, color, logo, and even packaging. Sample orders are welcome (lead time 7–10 days), and bulk orders can be delivered within 25–35 days depending on quantity. Our after-sales support includes replacement for defective units and design consultation.
Don’t settle for ordinary coffee cups. Experience the WarmSip difference – where quality meets affordability. Contact us today for a quote or product sample, and let’s create your perfect insulated cup together.
Frequently Asked Questions (FAQ)
Q1: Can I put WarmSip cups in the dishwasher?
A: The stainless steel body is dishwasher safe, but we recommend hand washing the lid to prolong the silicone gasket and slide mechanism. Always refer to the care instructions included with your order.
Q2: Is the cup really leak-proof?
A: Yes, when the lid is properly closed and locked (for slide-lid models), the cup is leak-proof and can be carried in a bag without worry. However, do not overfill or shake vigorously with hot liquid to avoid pressure buildup.
Q3: What is the minimum order quantity (MOQ) for custom logo cups?
A: For customized cups with your logo, the MOQ is typically 500 pieces per design. For plain, unbranded cups, the MOQ is lower (usually 100 pieces). Please contact our sales team for exact requirements.
Q4: How long does shipping take?
A: For samples, we ship via express (DHL, FedEx, UPS) within 7–10 days after payment. For bulk orders, sea freight takes 25–35 days from the departure port to major destinations. We can also arrange air freight for urgent orders (extra charge).
Q5: Are the cups safe for hot beverages like coffee or tea?
A: Absolutely. The 18/8 stainless steel interior is heat-resistant and non-reactive. The lid is made from BPA-free PP or Tritan, rated for temperatures up to 100°C (212°F). Avoid microwave use as the metal body cannot be microwaved.
Q6: Can I get a sample before placing a large order?
A: Yes, we offer sample cups at a reasonable cost (deductible from bulk order). Samples will be produced with your preferred color and size (without logo if not required). Shipping cost is borne by the buyer.
Q7: Do you provide quality inspection certificates?
A: Each batch of products undergoes inspection during production and before shipment. We can provide a Certificate of Quality (COQ) and photos/videos of the loading process. ISO9001 certification covers our manufacturing management system.
Q8: What payment terms do you accept?
A: We accept T/T (bank transfer), L/C, PayPal for small amounts, and Western Union. For new customers, 30% deposit and 70% balance before shipment is standard. Long-term partners may negotiate better terms.
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