Quick Summary
The 90mm PET/RPET Flat Lid is an eco-friendly, high-quality lid designed to fit 90mm beverage cups, offering a secure fit, leak-resistant seal, and customizable features. Ideal for smoothies, juices, iced coffee, and other cold beverages, this lid is made from recyclable PET/RPET material, ensuring both sustainability and durability. Its innovative design ensures a comfortable drinking experience with features like a rolled edge, straw hole, and precise fit.
DaShan & Craftsmanship Storytelling
At DaShan, our commitment to excellence is evident in every product we design. With over 20 years of expertise in the packaging industry, we specialize in producing high-quality, customizable solutions for the foodservice and retail industries. Our 90mm PET/RPET Flat Lid is crafted with the same precision and quality control that have earned us the trust of global brands. The 90mm PET/RPET Flat Lid reflects our philosophy of combining sustainability, functional design, and practical use.
We use state-of-the-art manufacturing processes to ensure each lid meets the highest standards of clarity, strength, and safety. Our thermoforming technology allows us to create lids that provide a perfect fit for beverages, reducing waste and ensuring each customer has a safe, enjoyable experience.
Materials & Sourcing
The 90mm PET/RPET Flat Lid is crafted from recyclable PET and RPET (recycled PET), both of which are durable and environmentally friendly. PET is a widely recognized food-safe material that provides high clarity, ensuring your product’s visibility. RPET, derived from recycled bottles, reduces the need for virgin plastic, contributing to the circular economy. We ensure our materials are sourced from certified suppliers who meet strict ethical and sustainability standards.
Why Choose PET/RPET for Beverage Lids?
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Eco-Friendly: PET and RPET are recyclable, reducing environmental impact.
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Transparency: The high clarity of PET ensures your customers can see the product inside.
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Durability: PET provides superior strength to prevent breaking or cracking during use.
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Safe for Food Contact: Certified to meet global food safety standards such as FDA, EC 1935/2004, and BPA-Free.
Key Features & Detailed Features
Leak-Resistant Design
The 90mm PET/RPET Flat Lid features a tight, secure fit, ensuring that your drinks stay contained and don’t spill. Its deep, well-constructed groove creates a reliable seal with the matching 90mm beverage cups, offering protection against leaks during transport and use.
Smooth, Rolled Edge
Designed with a rolled edge, the lid is smooth to the touch, ensuring no rough spots or jagged edges. This refined edge prevents injury to the user’s mouth or hands, providing a comfortable drinking experience.
Customizable Options
The 90mm PET/RPET Flat Lid is fully customizable, with options to add embossed logos, printed graphics, or special shapes. These customizations elevate your brand image, enhancing product visibility and customer engagement.
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Custom Sizes: Tailor the lid to fit different beverage cup sizes.
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Embossing/Printing: Customize with your brand’s logo or promotional message.
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Unique Shapes: Design a one-of-a-kind lid to stand out in the market.

Straw Hole for Convenience
A key feature of the 90mm PET/RPET Flat Lid is the straw hole, which is designed to fit a standard-sized straw. This allows for convenient sipping, making it ideal for smoothies, iced drinks, and juices.
Enhanced Leak-Proof Performance
The lid’s gear-like pattern along the rim provides a more secure seal, preventing spills even when the cup is tipped over. This feature makes the 90mm PET/RPET Flat Lid the perfect choice for takeout orders and foodservice applications.
Product Details
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Material: PET or RPET
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Size: 90mm diameter
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Weight: 3g
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Packaging: 1000 lids per carton, 20 bags of 50 lids each
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Carton Size: 48 x 21 x 38 cm
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CBM: 0.04
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Customizations Available: Yes, including embossing, printing, and unique shapes.
Manufacturing Process
The 90mm PET/RPET Flat Lid is made using advanced thermoforming technology. During the process, PET/RPET sheets are heated and formed into shape, using high-pressure molds to ensure uniform thickness and consistency. The use of thermoforming technology results in a precise fit, crystal-clear transparency, and a tight seal that is both reliable and functional.
Once formed, the lids are cooled, trimmed, and inspected for quality before being packaged for shipment.
Sustainability
At DaShan, we understand the growing need for eco-friendly solutions in packaging. Our 90mm PET/RPET Flat Lid is a sustainable option that supports both businesses and consumers in the transition to a circular economy.
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Recyclable Materials: Our PET and RPET lids are fully recyclable, helping reduce waste.
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Reduced Carbon Footprint: By using RPET, which is made from recycled bottles, we reduce the need for new plastic production.
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Sustainable Packaging: Our entire manufacturing process is optimized to minimize material waste, contributing to environmental conservation.
Capacity & Use Scenarios
The 90mm PET/RPET Flat Lid is primarily used with DaShan’s 90mm beverage cups, available in sizes from 360ml to 660ml. It is ideal for cold beverages, such as:
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Smoothies and Shakes: The lid fits snugly, preventing spills during transport.
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Iced Drinks: Whether it’s iced coffee, iced tea, or cold juice, the secure lid keeps beverages contained.
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Juice and Fruit Cups: With the straw hole, it’s perfect for fruit juices or cold-pressed beverages.
These lids are ideal for use in restaurants, cafes, takeaways, and delivery services.

Product Comparisons
The 90mm PET/RPET Flat Lid is available in a variety of configurations to meet different beverage needs, such as flat, dome, or sip-through lids.

| Model | Material | Weight (g) | Size (mm) | Packaging | Carton Size (cm) | CBM |
|---|---|---|---|---|---|---|
| 90F | PET/RPET | 3 | 90 | 1000 pcs/ctn | 48 x 21 x 38 | 0.04 |
| 90D | PET/RPET | 3.5 | 90 | 1000 pcs/ctn | 48 x 25 x 38 | 0.05 |
| 90K | PET/RPET | 4 | 90 | 1000 pcs/ctn | 48 x 25 x 38 | 0.05 |
Matching cup:

| Model | Capacity | Material | Weight (g) | Size (mm) | Packaging | Carton Size (cm) | CBM |
|---|---|---|---|---|---|---|---|
| 90-12oz | 360ml | PET/RPET | 11 | 90 x 56 x 103 | 1000 pcs/ctn | 46.0 x 36.0 x 46.0 | 0.08 |
| 90-14oz | 460ml | PET/RPET | 13 | 90 x 56 x 115 | 1000 pcs/ctn | 46.0 x 36.0 x 43.0 | 0.08 |
| 90-15oz | 480ml | PET/RPET | 12 | 90 x 50 x 162 | 1000 pcs/ctn | 46.0 x 36.0 x 49.0 | 0.08 |
| 90-16oz | 500ml | PET/RPET | 13 | 90 x 56 x 135 | 1000 pcs/ctn | 46.0 x 36.0 x 50.0 | 0.08 |
| 90-18oz | 520ml | PET/RPET | 12 | 90 x 56 x 145 | 1000 pcs/ctn | 46.0 x 36.0 x 51.0 | 0.08 |
| 90-20oz | 600ml | PET/RPET | 13 | 90 x 56 x 158 | 1000 pcs/ctn | 46.0 x 36.0 x 55.0 | 0.09 |
| 90-24oz | 660ml | PET/RPET | 14 | 90 x 56 x 176 | 1000 pcs/ctn | 46.0 x 36.0 x 61.0 | 0.10 |
Customization Options
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Custom Sizes: Tailored to fit specific beverages.
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Embossing and Printing: Add your company logo or marketing messages.
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Straw Hole Size Customization: Adjust for different straw sizes.
About DaShan – Trusted Food Packaging Manufacturer
DaShan is a global leader in food packaging solutions, offering a wide range of customizable and eco-friendly products made from PET, RPET, PLA, and CPET materials. With decades of experience, we have developed a reputation for quality, reliability, and customer-centric service. Our focus is on sustainability and innovation, ensuring that every product we offer meets the highest standards of food safety, environmental sustainability, and performance.
🌎 Global Exhibition Highlights
DaShan participates in global events such as:
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Canton Fair (China)
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Gulfood Manufacturing (Dubai)
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Pack Expo (Chicago, USA)
These exhibitions showcase our commitment to innovative and sustainable packaging solutions.

FAQ
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What is the material used for the 90mm PET/RPET Flat Lid?
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The lid is made from recyclable PET or RPET, ensuring a food-safe, sustainable, and durable packaging solution.
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What sizes do the lids fit?
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The 90mm PET/RPET Flat Lid fits DaShan’s 90mm beverage cups, available in sizes ranging from 360ml to 660ml.
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Can I customize the lid?
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Yes, you can customize the 90mm PET/RPET Flat Lid with embossing, printing, and size adjustments to suit your branding and functional needs.
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Is the 90mm PET/RPET Flat Lid leak-proof?
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Yes, the lid features a tight seal that ensures it is leak-resistant, even during transport.
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How do I dispose of the lid?
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The lid is fully recyclable, making it an eco-friendly option for environmentally conscious businesses.
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Conclusion
The 90mm PET/RPET Flat Lid is the perfect combination of design, functionality, and sustainability. With its secure seal, customizable features, and eco-friendly material, it’s the ideal choice for cold beverage cups in foodservice and retail businesses looking to adopt more sustainable practices while enhancing their brand’s image.