Quick Summary
The 90mm PLA Flat Lid is designed specifically for cold beverage cups and is made from eco-friendly PLA material. This lid features a tight, leak-resistant seal, thanks to its innovative arc design and gear-tooth mechanism, making it the perfect fit for a variety of cups, including the 90-series PLA Cups. The flat lid is customizable with embossing, and it includes a convenient hole for a straw, ensuring both functionality and sustainability. Ideal for beverages like smoothies, iced coffee, and juices, it is fully compostable, offering an environmentally conscious option for businesses.
DaShan & Craftsmanship Storytelling
At DaShan, we believe that sustainability and innovation go hand in hand. Our 90mm PLA Flat Lid is a testament to our commitment to offering high-quality, eco-friendly packaging solutions. In a world where plastic waste is a growing concern, we provide businesses with sustainable alternatives that do not compromise on performance. Made from PLA (Polylactic Acid), a renewable material sourced from plants like corn and sugarcane, the 90mm PLA Flat Lid is part of our broader vision to reduce the environmental impact of food packaging.
We produce our products with precision and care. Using advanced thermoforming technology, we ensure that every 90mm PLA Flat Lid meets the highest standards of quality and functionality. The PLA used in our products is sourced from certified suppliers, ensuring that it is both biodegradable and sustainable. With a focus on design and customer satisfaction, our products are engineered to meet the needs of foodservice, retail, and beverage businesses around the globe.

Materials & Sourcing
The 90mm PLA Flat Lid is made from PLA (Polylactic Acid), a bioplastic derived from renewable plant sources such as corn or sugarcane. PLA is a biodegradable material that offers a sustainable alternative to traditional petroleum-based plastics, helping to reduce plastic pollution. The material used in this lid meets international standards for food safety and compostability, including FDA, ASTM D6400, and ISO 9001 certifications.
At DaShan, we take pride in sourcing our PLA from trusted suppliers who adhere to strict sustainability practices. The 90mm PLA Flat Lid is fully compostable in industrial composting facilities, offering an eco-friendly packaging solution that supports the global push towards a circular economy.
Key Features & Structure of 90mm PLA Flat Lid
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Leak-Resistant Design: The 90mm PLA Flat Lid features a unique arc design and gear-tooth mechanism that ensures a tight seal with the cup, preventing leaks and spills.
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Material: Made from high-quality PLA, the lid is biodegradable and compostable, making it an eco-friendly choice.
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Flat Design: This flat lid design is ideal for a variety of cold beverage applications, providing easy stackability and secure sealing.
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Straw Insertion Hole: The lid includes a hole that is perfectly sized for a straw, allowing for easy sipping of cold beverages like smoothies, iced coffee, and juices.
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Customizable: The lid can be customized with embossing or printing, allowing businesses to enhance their brand visibility and make their packaging stand out.
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Dimensions: The lid fits perfectly with 90mm diameter cups, such as the 90-12oz, 90-14oz, 90-16oz, 90-18oz, 90-20oz, and 90-24oz PLA Cups.

Detailed Features & Product Details
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Model: 90F (PLA Flat Lid)
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Material: PLA (Polylactic Acid)
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Weight: 2g
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Dimensions: 90mm diameter
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Packaging: 1000 pieces per carton/600 pieces per carton/
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Carton Size: 49.0 x 21.0 x 39.0 cm/49.0 x 24.0 x 22.0 cm
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CBM: 0.04/0.03
The 90mm PLA Flat Lid is designed to seamlessly fit a range of 90-series PLA cups, including 90-12oz (360ml), 90-14oz (460ml), 90-16oz (500ml), 90-18oz (520ml), 90-20oz (600ml), and 90-24oz (660ml). It ensures a secure, leak-resistant closure, allowing businesses to serve beverages confidently, without the worry of spills. The lid is also suitable for use in a wide range of environments, including cafes, restaurants, juice bars, and food trucks.
Sustainability
The 90mm PLA Flat Lid aligns with DaShan’s sustainability goals. Made from biodegradable PLA, this lid offers a sustainable alternative to traditional plastic lids that often end up in landfills. PLA is fully compostable in industrial composting facilities, breaking down within 60-90 days. This lid helps to reduce plastic pollution, contributing to a cleaner, greener planet.
Certified by organizations like BPI (Biodegradable Products Institute) and ASTM D6400, the 90mm PLA Flat Lid ensures compliance with the highest standards of biodegradability and compostability. By choosing the 90mm PLA Flat Lid, businesses can reduce their carbon footprint and contribute to the circular economy.
Capacity & Use Scenarios
The 90mm PLA Flat Lid is ideal for use with the following cold beverages:
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Smoothies & Shakes: Perfect for thicker beverages like smoothies, where a tight, secure lid is essential to prevent spills.
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Iced Coffee & Iced Tea: This lid is great for cafes and restaurants serving iced coffee or iced tea, ensuring that the drinks remain fresh without leaking.
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Juices & Cold Beverages: The clear design of the 90mm PLA Flat Lid enhances the appearance of juices and other cold drinks, making them more appealing to customers.
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Foodservice & Events: The lid is ideal for catering events, festivals, and outdoor gatherings where convenience and sustainability are key.
This lid is especially beneficial for businesses looking for sustainable packaging solutions without compromising on performance or design.

Product Comparisons
Here is a comparison of the 90mm PLA Flat Lid with other models in the 90 series:

| Model | Material | Weight | Dimensions (mm) | Packaging | Carton Size (cm) | CBM |
|---|---|---|---|---|---|---|
| 90F (Flat Lid) | PLA | 2g | 90mm (Diameter) | 20*50 pcs/bag | 49.0 x 21.0 x 39.0 | 0.04 |
| 90D (Dome Lid) | PLA | 3g | 90mm (Diameter) | 20*50 pcs/bag | 49.0 x 25.0 x 39.0 | 0.05 |
| 90K (Straight Lid) | PLA | 3g | 90mm (Diameter) | 20*50 pcs/bag | 49.0 x 25.0 x 39.0 | 0.05 |
Matching Cups
The 90mm PLA Flat Lid pairs perfectly with the following 90-series PLA Cups:

| Model | Capacity | Material | Weight | Dimensions (mm) | Packaging | Carton Size (cm) | CBM |
|---|---|---|---|---|---|---|---|
| 90-12oz | 360ml | PLA | 10g | 90 x 56 x 103 | 20*50 pcs/bag | 47.0 x 37.0 x 43.0 | 0.07 |
| 90-14oz | 460ml | PLA | 10g | 90 x 56 x 115 | 20*50 pcs/bag | 47.0 x 37.0 x 45.0 | 0.08 |
| 90-16oz | 500ml | PLA | 11g | 90 x 56 x 135 | 20*50 pcs/bag | 47.0 x 37.0 x 51.0 | 0.09 |
| 90-18oz | 520ml | PLA | 11g | 90 x 56 x 145 | 20*50 pcs/bag | 47.0 x 37.0 x 56.0 | 0.10 |
| 90-20oz | 600ml | PLA | 12g | 90 x 56 x 158 | 20*50 pcs/bag | 47.0 x 37.0 x 56.0 | 0.10 |
| 90-24oz | 660ml | PLA | 14g | 90 x 56 x 176 | 20*50 pcs/bag | 47.0 x 37.0 x 62.0 | 0.11 |
Customization Options
The 90mm PLA Flat Lid offers a range of customization options:
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Custom Embossing: Add your logo, brand name, or design to the lid to enhance your product’s presentation and visibility.
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Custom Printing: Add printed designs to the lid for a unique and personalized touch.
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Color Options: While standard PLA lids are clear, the 90mm lid can be made in custom colors to match branding needs.
About DaShan – Trusted Food Packaging Manufacturer
DaShan is a trusted manufacturer of high-quality, eco-friendly food packaging solutions. Specializing in PLA, PET, and CPET materials, we offer a broad range of products for foodservice, retail, and distribution. Our focus on sustainability and customer satisfaction drives us to create solutions that help reduce the environmental impact of plastic packaging.
🌎 Global Exhibition Highlights
DaShan actively participates in major food packaging trade shows worldwide, where we present our sustainable solutions to a global audience. These exhibitions allow us to connect with industry leaders, stay updated on emerging trends, and explore new business opportunities. Some key events include:
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Canton Fair (China): One of the largest trade fairs in China, providing a platform to showcase our products to both domestic and international clients.
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Gulfood Manufacturing (Dubai): The leading food manufacturing and packaging event in the Middle East, where we present our eco-friendly packaging solutions to the region’s growing market.
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Pack Expo (Chicago, USA): A significant trade show that connects us with packaging professionals from around the world, helping us stay ahead in sustainable packaging innovation.

FAQ
What beverages is the 90mm PLA Flat Lid suitable for?
The 90mm PLA Flat Lid is ideal for cold beverages like smoothies, iced coffee, juices, and iced tea.
Is the 90mm PLA Flat Lid leak-proof?
Yes, the unique arc and gear-tooth design of the 90mm PLA Flat Lid ensures a leak-resistant seal.
Can I customize the 90mm PLA Flat Lid?
Yes, the 90mm PLA Flat Lid can be customized with embossing or printing to showcase your brand.
What certifications does the 90mm PLA Flat Lid have?
The 90mm PLA Flat Lid meets international standards for food safety and compostability, including FDA, ASTM D6400, and ISO 9001 certifications.
Conclusion
The 90mm PLA Flat Lid is an essential, eco-friendly accessory for your cold beverage packaging. Made from biodegradable PLA, it ensures secure, leak-resistant performance while providing ample customization options to promote your brand. Perfect for a wide range of cold drinks, this lid is ideal for cafes, restaurants, and event catering businesses looking to adopt sustainable packaging solutions.