850ml PLA Round Lunch Box

This 850ml round PLA lunch box is crafted from polylactic acid (PLA), a biodegradable, eco-friendly material derived from corn starch. It fully replaces traditional petroleum-based plastic lunch boxes, and can be completely biodegraded under industrial composting conditions—leaving no plastic residue or microplastic pollution, making it an ideal choice for green catering. Featuring a smooth, rounded body and a sealed lid design, it effectively prevents leakage, locks in freshness, and allows for clear visibility of food.

Eco-Friendly Convenience, For Every Meal

From office lunches to weekend picnics, this PLA lunch box turns every meal into a small, guilt-free pleasure. Sturdy and leak-proof, it keeps hot dishes warm and salads crisp, while its fully compostable design lets you enjoy every bite without environmental worry—comfort, convenience, and care for the earth, all in one box.

Product Highlights

PLA Biodegradable Material: Zero Environmental Burden

Made from PLA derived from corn starch fermentation, this product fully biodegrades into CO₂ and water under industrial composting conditions, leaving zero plastic residue and no soil or water pollution. It perfectly aligns with global “plastic restriction” policies and the sustainable catering trend.

Food-Grade Safety & Certified Compliance

Compliant with international food contact safety standards, it is odorless, free of plasticizers and heavy metals, and safe for both hot and cold meals. It will not react chemically with food, ensuring complete dietary health and peace of mind.

Sealed Leak-Proof Design

The lid and box body fit tightly to create a reliable airtight seal, effectively preventing soup and sauce leakage. Ideal for long-distance takeaway delivery and juicy meals like noodles and salads, it elevates the overall user experience.

Temperature Resistant for Diverse Meals

Withstands -10℃~60℃, suitable for hot meals and refrigerator refrigeration, compatible with short-term microwave heating, meeting various catering needs.

Elegant Round Shape & Transparent Design for Enhanced Food Display

The elegant round box features a transparent, smooth body that clearly showcases food color and plating, boosting visual appeal. It is perfect for light meals, salads, bentos and other delicate catering occasions.

Stackable Design for Convenient Storage & Logistics

Nestable and stackable, this design saves valuable storage and transportation space, cuts logistics costs, and streamlines daily inventory management and access for merchants.

Product Details & Craftsmanship

Precision Injection Molding: Adopting high-precision injection molding technology, this lunch box features uniform wall thickness, a robust and stable structure, excellent load-bearing performance, and outstanding resistance to deformation and cracking.

Secure Sealed Buckle Structure: The lid edge is engineered with precision-machined buckles and grooves that interlock tightly with the box body, delivering exceptional sealing performance and effectively preventing soup and sauce leakage.

Smooth Edge Polishing: Both the box body and lid edges are finely polished to a smooth finish, free of burrs or sharp edges, ensuring safe handling without the risk of scratching hands.

Dual Color Options: Transparent & Natural: Available in two premium versions: the transparent variant offers clear visibility of food, while the natural color version delivers a rustic, eco-friendly aesthetic to suit different brand styles.

Standardized Size Design:With a 157mm top diameter and 66.5mm height, this standardized size fits most takeaway bags and standard meal portions, enabling efficient stacking and storage for both merchants and consumers.

Environmental Value & Low-Carbon Concept

TReplace Traditional Plastics, Reduce White Pollution: Fully replaces disposable petroleum-based plastic lunch boxes, reducing plastic waste and microplastics from the source, supporting “plastic restriction” policies.

Fully Biodegradable: Completely degrades in 3-6 months under industrial composting conditions, no residue or toxicity, realizing a “from nature, back to nature” cycle.

Renewable Plant Raw Materials: Uses renewable plant resources such as corn starch, reducing reliance on petrochemical resources and carbon emissions.

Low-Carbon Production Process: Low energy consumption and emissions during production, with a much lower carbon footprint than traditional plastic lunch boxes, in line with carbon neutrality trends.

Convey Brand Green Philosophy: Using PLA biodegradable lunch boxes conveys a sustainable lifestyle to consumers, enhancing brand social value and user favorability.