Quick Summary
The 115mm PLA Flat Lid is a secure, eco-friendly solution for sealing cold beverage cups like the 115-32oz and 115-44oz PLA Cups. Made from biodegradable PLA, this flat lid fits perfectly with the cups, preventing spills and offering easy-to-use functionality with a snap-tight design, air vents for straw insertion, and a durable, leak-resistant structure. Ideal for both smoothies and iced drinks, this lid enhances the drinking experience and ensures that beverages are transported safely.
DaShan & Craftsmanship Storytelling
At DaShan, we strive to deliver high-quality, innovative packaging solutions for our customers. Our 115mm PLA Flat Lid is a result of meticulous design and craftsmanship, combining functionality, sustainability, and user-friendly design. As part of our commitment to providing premium, eco-conscious packaging, our flat lids are designed with precision to match our PLA beverage cups, such as the 115-32oz and 115-44oz models. These lids not only offer secure sealing but also align with our mission to provide biodegradable, sustainable options for the foodservice industry.
The PLA material we use for the 115mm PLA Flat Lid is sourced from renewable resources, ensuring it is both compostable and safe for food contact. Every lid is crafted with attention to detail, ensuring it offers maximum protection while keeping beverages secure during transport.

Materials & Sourcing
The 115mm PLA Flat Lid is made from PLA (Polylactic Acid), a biodegradable plastic derived from renewable plant resources like cornstarch and sugarcane. This material is:
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Biodegradable: PLA is a compostable material that naturally breaks down in industrial composting environments, contributing to reducing plastic waste.
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Sustainable: Derived from renewable resources, PLA helps reduce reliance on fossil fuels and minimizes environmental impact.
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Safe for Food Contact: PLA is FDA-approved and complies with EU regulations for food safety, ensuring the lid is safe to use with beverages.
We carefully source PLA material from trusted suppliers who meet high standards for quality, sustainability, and ethical sourcing practices. This ensures that our 115mm PLA Flat Lid maintains the highest levels of performance and environmental responsibility.
Key Features & Detailed Features
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Perfect Fit: The 115mm PLA Flat Lid is designed specifically to fit 115-32oz and 115-44oz PLA Cups, ensuring a tight, leak-resistant seal to prevent spills during transport.
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Snap-Tight Design: The lid features an innovative snap-on design that makes it easy to secure, yet easy to remove, preventing spills from difficult-to-open lids that can cause messes, such as food splatters or liquid leakage.
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Smooth Rounded Edge: The lid has a smooth, rounded edge, providing a comfortable experience when drinking and reducing the chance of injury.
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Gear Teeth Design: The gear teeth along the rim of the lid offer enhanced grip, ensuring that the lid stays securely in place and does not loosen during handling.
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Straw Slot: The lid includes a slot for straws, making it convenient for customers to enjoy their drinks without removing the lid. This straw hole is designed to be large enough for standard straws, offering practicality and ease of use.
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Eco-Friendly & Compostable: Like the cups it fits, the lid is made from PLA, ensuring it is biodegradable and compostable in industrial composting facilities.
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Durable and Leak-Resistant: The lid’s design is both strong and lightweight, providing a secure, leak-resistant seal that ensures your beverage stays fresh and secure.

Product Details
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Model: 115F
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Material: PLA (Polylactic Acid)
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Weight: 5g
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Dimensions:115mm
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Packaging:
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500 pcs per carton
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Carton Size: 60.0 x 25.0 x 25.0 cm
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CBM: 0.04
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Manufacturing Process
The 115mm PLA Flat Lid is manufactured using thermoforming technology. In this process, PLA sheets are heated to a specific temperature and formed over molds using vacuum pressure. The result is a strong, durable lid with precise dimensions and smooth edges. The use of PLA material ensures that the lid remains lightweight, yet sturdy enough to provide a secure seal on the cups.
Through this process, we ensure the high transparency, smooth finish, and consistent quality of each lid. The gear teeth design is formed with precision to ensure it fits snugly on the cup, preventing accidental spills.
Sustainability
The 115mm PLA Flat Lid is a sustainable and eco-friendly packaging solution. Made from PLA (Polylactic Acid), the lid is fully compostable, meaning it will break down in industrial composting environments without leaving harmful residues. Our commitment to sustainability is reflected in the materials we use, which are derived from renewable plant resources such as cornstarch and sugarcane.
The PLA material used for the lid has been certified by several organizations, ensuring its biodegradability and compliance with global environmental standards:
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ISO 9001 (Quality Management)
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FDA Approved (Food Safety)
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ASTM D6400 (Compostability Standard)
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BPI Certified (Biodegradable Products Institute)
By using the 115mm PLA Flat Lid, businesses can reduce their plastic waste and contribute to more sustainable practices in the food and beverage industry.

Capacity & Use Scenarios
The 115mm PLA Flat Lid is ideal for a wide range of beverages, particularly in foodservice and retail environments. It is perfect for:
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Smoothies: Keeping your smoothies securely sealed while maintaining freshness.
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Iced Drinks: Great for iced teas, iced coffees, and other cold beverages.
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Juices: Perfect for high-volume juice servings at cafes or juice bars.
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Milkshakes: Designed to prevent spills during delivery or transportation.
This flat lid is commonly used in cafes, juice bars, fast-food restaurants, and event catering, where large quantities of beverages are served to customers who require safe, leak-resistant packaging.

Product Comparisons
Matching Lid:
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115F Lid (Flat lid, 5g)
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Material: PLA
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Diameter: 115mm
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Packaging: 500 pcs per carton
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Carton Size: 60.0 x 25.0 x 25.0 cm
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CBM: 0.04
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Matching cup:
| Model | Capacity | Material | Weight | Size (mm) | Packaging | Carton Size (cm) | CBM |
|---|---|---|---|---|---|---|---|
| 115-32oz | 1030ml | PLA | 20g | 115 x 67 x 179 | 500 pcs/bag | 59.0 x 47.0 x 40.0 | 0.11 |
| 115-44oz | 1220ml | PLA | 23g | 115 x 67 x 207 | 500 pcs/bag | 60.0 x 48.0 x 45.0 | 0.13 |

Customization Options
The 115mm PLA Flat Lid can be customized with embossing or printing to enhance your brand image. Add your logo or designs to the lid, increasing brand visibility while offering a premium, eco-friendly product to your customers.
We can also customize the straw slot to fit various straw types, ensuring that your customers can easily enjoy their drinks without hassle.
About DaShan – Trusted Food Packaging Manufacturer
DaShan is a leader in eco-friendly food packaging solutions. We specialize in PLA, CPET, PET, and RPET packaging that is designed to meet the needs of foodservice, retail, and distribution sectors worldwide. With a strong commitment to quality, sustainability, and customer satisfaction, DaShan continues to provide high-quality products that help businesses reduce their environmental footprint while offering safe, attractive, and functional packaging.
🌎 Global Exhibition Highlights
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Canton Fair (China)
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Gulfood Manufacturing (Dubai)
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Pack Expo (Chicago, USA)

FAQ
1. What is PLA material?
PLA is a biodegradable material made from renewable plant resources like cornstarch and sugarcane, providing an eco-friendly alternative to traditional plastics.
2. Is the 115mm PLA Flat Lid compatible with other cup sizes?
The 115mm PLA Flat Lid is designed to fit 115-32oz and 115-44oz PLA cups, ensuring a secure, leak-resistant seal.
3. Can the 115mm PLA Flat Lid be customized?
Yes, the lid can be embossed or printed with your logo or design for better brand recognition.
4. Is the 115mm PLA Flat Lid leak-resistant?
Yes, the lid’s snap-tight design and gear teeth rim ensure a secure and leak-resistant seal.
5. Can the 115mm PLA Flat Lid hold hot beverages?
No, PLA lids are best suited for cold beverages. For hot drinks, we recommend using other materials such as CPET.
6. Is the 115mm PLA Flat Lid compostable?
Yes, the PLA material is biodegradable and compostable in industrial composting facilities.
7. What are the benefits of the gear teeth design on the lid?
The gear teeth design ensures a secure fit on the cup, preventing accidental spills and enhancing the lid’s grip.
8. What is the environmental impact of using PLA lids?
PLA lids are compostable and made from renewable resources, significantly reducing plastic waste.
9. Can the 115mm PLA Flat Lid be used for all cold beverages?
Yes, it is ideal for beverages like smoothies, iced drinks, and juices.
10. Where is the 115mm PLA Flat Lid commonly used?
It is widely used in cafes, juice bars, restaurants, and event catering for large cold beverage servings.
Conclusion
The 115mm PLA Flat Lid offers a secure, eco-friendly, and functional solution for sealing large cold beverage cups like the 115-32oz and 115-44oz PLA Cups. Made from biodegradable PLA, this lid combines durability and leak-resistant features with a convenient, user-friendly design. The snap-tight fit, smooth edges, and gear teeth ensure that beverages are securely sealed, while the straw slot adds convenience for on-the-go customers.
Ideal for businesses in foodservice, cafes, and juice bars, the 115mm PLA Flat Lid not only enhances the customer experience by preventing spills but also supports sustainability with its compostable material. By choosing this lid, businesses can align their packaging practices with eco-friendly values, offering a safe, functional, and customizable solution for cold beverages.
With a perfect balance of quality, practicality, and environmental responsibility, the 115mm PLA Flat Lid is the ideal choice for businesses looking to serve beverages in an eco-conscious manner without compromising on performance.