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SeamSafe Fully Waterproof Hot Drink Paper Cups are engineered for maximum liquid retention and thermal performance, making them a reliable choice for cafes, restaurants, and catering businesses. As a manufacturer with over 6 years of expertise, Wuhan Century Kingxin Co., Ltd. ensures every cup undergoes rigorous quality control to deliver a seamless drinking experience without leaks or soggy bottoms. With an annual export value of US$2.5–5 million and a dedicated team of 51–100 employees, we are committed to providing sustainable, high-quality packaging solutions for global markets.
Our patented SeamSafe technology creates a fully bonded seam that prevents moisture penetration, even when holding hot beverages for extended periods. The cups are made from premium food-grade paperboard combined with a special PE coating that withstands temperatures up to 212°F (100°C). Unlike ordinary paper cups, our design eliminates the risk of liquid seeping through the side seam or bottom, ensuring your customers enjoy every drop without mess.
Key Features & Specifications
- Fully Waterproof: The entire cup, including the seam and bottom, is sealed to prevent any liquid leakage. Ideal for hot drinks that are served on the go.
- SeamSafe Technology: A proprietary bonding process that creates a leak-proof seal without compromising the cup's structural integrity.
- Heat Retention: The double-layer insulation (paper + PE coating) keeps beverages hot longer while ensuring the outer surface remains comfortable to hold.
- Eco-Friendly Materials: Made from sustainable, responsibly sourced paperboard. The cups are recyclable in facilities that accept paper with plastic lining.
- Customizable Branding: Available in various sizes (4oz to 20oz) and colors, with full-color printing options to showcase your logo or design.
- Sturdy Construction: Reinforced rim and thick walls prevent collapsing or deformation when filled with hot liquid.
| Specification | Details |
|---|---|
| Material | Food-grade paperboard (300–350 gsm) + PE coating |
| Capacity Options | 4 oz (120 ml), 8 oz (240 ml), 12 oz (350 ml), 16 oz (475 ml), 20 oz (590 ml) |
| Temperature Resistance | Up to 100°C (212°F) – suitable for boiling water |
| Leak-Proof Test | Passes 24-hour water retention test without any leakage |
| Certifications | ISO9001, others available upon request |
| Packaging | Bulk or retail packaging; shrink-wrapped bundles; custom packing options |
The SeamSafe design offers a distinct advantage over standard paper cups: no more embarrassing leaks or wasted coffee. Whether you're serving in a fast-paced café or providing takeaway cups for an office, our cups maintain their shape and dryness even when stacked. The smooth rim also ensures a comfortable drinking experience, while the wide range of sizes accommodates everything from espresso to large lattes.
For businesses looking to enhance their brand image, our custom printing service allows you to apply vibrant, fade-resistant graphics that withstand heat and moisture. We use food-safe inks and work with your design team to deliver eye-catching cups that promote your business. Minimum order quantities are flexible, and we offer samples for evaluation before bulk production.
Trusted by Global Partners
Since 2018, Wuhan Century Kingxin Co., Ltd. has grown into a reliable supplier serving North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, and Western Europe. Our 51–100 skilled employees operate advanced production lines that deliver over 100 million cups annually. With an overseas office and convenient shipping ports in Wuhan, Shanghai, Shenzhen, and Ningbo, we ensure timely delivery to any destination. Our ISO9001 certification reflects our commitment to consistent quality, and we welcome third-party inspections to verify product performance.
We understand that every client has unique requirements. That's why we offer customization in size, color, printing, and packaging. Whether you need a small batch for a trial or a full container for a chain launch, we are equipped to fulfill your order efficiently. Our export value of US$2.5–5 million per year is a testament to the trust our customers place in us.
Ready to upgrade your hot drink packaging? Contact us today for a quote or to request free samples. Experience the difference of SeamSafe Fully Waterproof Hot Drink Paper Cups – where quality meets reliability.
Frequently Asked Questions
- Q: How does the SeamSafe technology prevent leaks? A: The side seam is bonded using a specialized heat-sealing process that creates a continuous barrier. Unlike traditional cups that rely on glue, our method eliminates gaps where liquid could escape.
- Q: Are these cups suitable for cold drinks as well? A: Yes, the waterproof lining also prevents condensation from weakening the paper, making them ideal for iced coffee, cold brew, and smoothies. However, they are specifically optimized for hot beverages.
- Q: Can I microwave the cups? A: We do not recommend microwaving as the paper and PE coating are not designed for direct microwave heating. For reheating, transfer the liquid to a microwave-safe container.
- Q: What is the minimum order quantity? A: MOQ varies by size and customization. Typically, 50,000 pieces for standard sizes and 100,000 pieces for custom printing. Contact our sales team for exact numbers.
- Q: Are the cups environmentally friendly? A: The paperboard is sourced from sustainably managed forests, and the cups are recyclable in facilities that accept paper with plastic lining. We are actively exploring fully compostable alternatives.
- Q: Do you provide samples before bulk order? A: Yes, we offer free samples (shipping cost may apply) for evaluation. Please provide your address and required size/color to request samples.
- Q: How long does shipping take? A: Typical lead time is 15–25 days after order confirmation, depending on quantity and customization. Express shipping via air is available for urgent orders.
- Q: Can I get cups with my own logo printed? A: Absolutely. We offer full-color printing using food-safe inks. Send us your artwork, and our design team will help optimize it for the cup surface.
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