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Clear Round Plastic Cake Box With Locking Lid

Details

The Clear Round Plastic Cake Box with Locking Lid is a professional round dessert storage and preservation container with excellent preservation performance and display effect. Unlike ordinary cake boxes, the Clear Round Plastic Cake Box with Locking Lid features a locking lid seal and can be used for both refrigeration and freezing. Made of BPA-free PP plastic, the transparent lid and white base enhance the presentation of desserts. The locking lid with a handle ensures a tight seal, effectively preventing food spoilage and freezing burns. Durable and sturdy, the Clear Round Plastic Cake Box is suitable for storing various round desserts and can be used in refrigerators and freezers, fully meeting the storage, display, and preservation needs of home baking, bakery sales, and everyday dessert preservation.

Product Features:
Sealed and Fresh-Keeping: Equipped with a latching lid and handle, ensuring a tight seal and effectively preventing air and moisture from entering, thus preventing spoilage of cakes, pies, cheesecakes, and other desserts and locking in freshness.
High-Transparency Display Design: The transparent lid paired with a white base provides unobstructed visual display, clearly showcasing the shape and details of the desserts, highlighting their visual appeal and quality.
Dual-Storage Compatibility: Made of BPA-free, food-grade PP material, it can be directly placed in the refrigerator and freezer, effectively preventing frostbite on frozen desserts. Suitable for storing ice cream cakes, frozen cheesecakes, and other low-temperature desserts.
Durable Material: Food-grade PP Made of durable, impact-resistant plastic, the box boasts a sturdy structure that effectively supports desserts, preventing deformation and damage during handling and storage.
Multi-Device Compatibility: Designed specifically for round desserts, it can store cakes, cupcakes, cookies, pies, cheesecakes, and many other baked goods, offering versatility and meeting diverse dessert storage needs.
Portable and Easy to Use: The lid features a handle and latch design for simple and convenient opening and closing. The sturdy structure ensures easy handling and transport, preventing the lid from easily falling off.

Application Scenarios:
Home Baking Storage: Suitable for homemade round cakes, pies, and ice cream cakes. Refrigeration/… Suitable for both freezing and storage. The airtight seal extends the shelf life of desserts, while the high-transparency design allows for easy monitoring of their condition.
Baking Shop Display: Ideal for displaying and selling desserts in cake shops and bakeries. The transparent display enhances the appeal of desserts, and the lockable seal makes them easy for customers to carry while ensuring freshness throughout the sales process.
Daily Dessert Preservation: Can store purchased cakes, cupcakes, and other desserts in the refrigerator to prevent them from becoming damp or spoiled, maintaining their optimal taste.
Holiday and Party Use: Suitable for birthdays, holidays, and other special occasions. Suitable for various occasions such as family gatherings, packaging homemade or purchased desserts. The high-transparency exterior enhances the dining atmosphere, while the locking closure facilitates the handling and placement of desserts at the gathering.
Dessert delivery: Ideal for small bakeries, the locking closure prevents the lid from loosening and the dessert from spilling during delivery. The low-temperature resistant material is suitable for delivering refrigerated desserts.
Supermarket and retail dessert packaging: Ideal for dessert packaging in the bakery section of supermarkets and fresh food stores. Refrigerated display ensures the freshness of the desserts, and the locking lid makes it easy for customers to select and carry, enhancing the shopping experience.

Contact Us Ningbo Panfeng Mould Plastic Co., Ltd.
We provide reliable one-stop plastic manufacturing services, driving industry innovation and sustainable development.
PanFeng is not just a manufacturer, but a trusted global partner dedicated
to meeting diverse market needs through innovation and quality.
Ningbo Panfeng Mould Plastic Co., Ltd.
Since 2016, PanFeng is a China Clear Round Plastic Cake Box With Locking Lid Manufacturer and Clear Round Plastic Cake Box With Locking Lid Company, committed to producing high-quality, environmentally friendly plastic products. With our advanced production base and a global network spanning over 90 countries, we provide reliable one-stop plastic manufacturing services, driving industry innovation and sustainable development.
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PanFeng has cultivated a decade of deep expertise in plastic manufacturing and innovation.
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We have created a one-stop service for global plastic product OEM manufacturing.
A successful custom project is built on a transparent process and seamless collaboration.
PanFeng provides a complete process from order confirmation to bulk production and delivery. We ensure that every step is precise, efficient, and clearly communicated, delivering a reliable and transparent customization experience from start to finish.
Requirement Discussion & Definition
You share your specific requirements, including Clear Round Plastic Cake Box With Locking Lid product application, dimensions, materials, design, and other key details. Our expert team conducts in-depth discussions, analyzes project feasibility and cost structure, and works with you to determine the optimal solution.
Design & Solution Confirmation
Based on the confirmed requirements, we provide a complete solution, including 2D/3D drawings, material selection, process specifications, and a detailed quotation. The Clear Round Plastic Cake Box With Locking Lid project begins after mutual confirmation.
Sample Production & Testing
We produce samples through existing mold adjustments or rapid prototyping, allowing you to test functionality, dimensions, appearance, and user experience. Your approval is a prerequisite for mass production.
Production Preparation & Finalization
After Clear Round Plastic Cake Box With Locking Lid sample approval, we carry out comprehensive production preparations, including material procurement, production scheduling, and quality control planning. We also reconfirm all production details with you.
Mass Production & Quality Assurance
Batch production is carried out under a strict quality management system. Through multiple in-process inspections and final inspection and testing, we ensure that every Clear Round Plastic Cake Box With Locking Lid item meets the confirmed standards.
On-Time Delivery & After-Sales Support
We arrange professional packaging and logistics to ensure timely and intact delivery. After delivery, we provide order quality tracking and after-sales support to support long-term cooperation.
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Clear Round Plastic Cake Box With Locking Lid Industry knowledge

The Clear Round Plastic Cake Box With Locking Lid is a professional round dessert storage and preservation container that combines excellent preservation performance with superior display effect. As a leading clear round plastic cake box supplier, we manufacture these boxes with a locking lid seal design that distinguishes them from ordinary cake boxes, making them suitable for both refrigeration and freezing. The box body is made from BPA-free food-grade PP plastic, with a transparent lid paired with a white base to significantly enhance the visual presentation of desserts.

As a professional cake box with locking lid manufacturer, our locking lid features an integrated handle design, ensuring a tight seal that effectively prevents food spoilage and freezer burn. The box body is durable and sturdy, suitable for storing various round desserts, and can be used directly in refrigerators and freezers, fully meeting the storage, display, and preservation needs of home baking, bakery sales, and everyday dessert preservation.

Core Specifications

Core specifications for clear round plastic cake box with locking lid
Parameter Specification Benefit
Material Food-grade PP, BPA-free Safe contact, low-temperature resistant, impact-resistant
Transparency High-transparent lid + white base 360° display of dessert shape and details
Seal Type Locking latch lid with handle Airtight seal, leak-proof, anti-detachment
Temperature Range -20°C to 120°C Refrigeration, freezing, and microwave compatible
Capacity Options 6-inch, 8-inch, 10-inch, 12-inch diameter Covers individual portions to family-sharing sizes

PP Material Properties and Food-Grade Safety Standards

As a professional clear round plastic cake box supplier, we select PP (Polypropylene) as the core material. PP is one of the most widely used plastics in food packaging, offering excellent chemical resistance, heat resistance, and mechanical strength.

Food-Grade Safety Certification

Our cake boxes with locking lid strictly comply with FDA (U.S. Food and Drug Administration) and EU food contact material regulations. All raw materials pass total migration limit testing and specific migration testing to ensure no heavy metals or plasticizer leaching. The products are BPA-free, meeting modern consumers' stringent health and safety requirements.

Low-Temperature and Anti-Freezing Performance

PP material maintains excellent toughness and structural integrity at -20°C without becoming brittle. As a cake box with locking lid manufacturer, we ensure that both the box body and locking structure remain functional during long-term freezer storage, effectively preventing freezer burn and flavor loss for ice cream cakes, frozen cheesecakes, and other low-temperature desserts.

Locking Seal Engineering and Structural Design

The locking seal lid is the core differentiating design of the clear round plastic cake box with locking lid. As a professional cake box with locking lid manufacturer, we invest significant R&D resources in locking mechanism engineering.

Locking Mechanism Engineering

The locking latch employs an elastic claw design with a snap depth of 3-5mm, ensuring stable locking force across the -20°C to 60°C temperature range. The opening force is controlled between 8-15N, ensuring child safety (not easily opened accidentally) while allowing convenient one-handed operation for adults. Each latch undergoes 10,000 open-close fatigue cycles with no breakage or loosening.

Handle and Portable Design

The lid top integrates a one-piece handle with width ≥25mm and rounded edges for comfortable grip without hand strain. The handle is designed to bear 5kg load, meeting the carrying needs of 8-inch and larger cakes. The handle and locking mechanism are interlinked: lifting automatically reinforces latch tightness, preventing accidental lid opening during transport.

Airtight Seal Performance

The lid-to-base junction features an annular sealing rib that mates with the base groove to form a labyrinth seal structure. Airtightness testing confirms no leakage under -10kPa negative pressure for 30 seconds, effectively blocking air and moisture entry and extending dessert freshness by 2-3 days.

Application Scenarios and Market Segments

The clear round plastic cake box with locking lid serves multiple market segments, each with unique procurement patterns and functional requirements.

Home Baking Storage

Suitable for homemade round cakes, pies, and ice cream cakes. Compatible with both refrigeration and freezing, the airtight seal extends dessert shelf life while the high-transparency design allows easy monitoring of dessert condition. Home users typically purchase 2-4 piece combo packs through e-commerce platforms or supermarkets.

Bakery Display and Sales

Ideal for displaying and selling desserts in cake shops and bakeries. The transparent display enhances dessert appeal, while the lockable seal makes them easy for customers to carry while ensuring freshness throughout the sales process. Bakeries typically bulk purchase 50-200 pieces per batch directly from clear round plastic cake box suppliers.

Daily Dessert Preservation

Can store purchased cakes, cupcakes, and other desserts in the refrigerator to prevent dampness and spoilage, maintaining optimal taste. The reusable design aligns with household eco-friendly consumption trends.

Holiday and Party Use

Suitable for birthdays, holidays, and other special occasions as well as family gatherings for packaging homemade or purchased desserts. The high-transparency exterior enhances the dining atmosphere, while the locking closure facilitates handling and placement of desserts at the gathering.

Dessert Delivery

Ideal for small bakery delivery packaging, the locking closure prevents lid loosening and dessert spillage during transport. The low-temperature resistant material is suitable for delivering refrigerated desserts, making it a preferred packaging solution for bakery merchants on food delivery platforms.

Supermarket and Retail Dessert Packaging

Ideal for dessert packaging in supermarket bakery sections and fresh food stores. Refrigerated display ensures dessert freshness, while the locking lid makes it easy for customers to select and carry, enhancing the shopping experience. Large retailers typically require cake box with locking lid manufacturers to provide customized label areas and barcode compatibility design.

Manufacturing and Quality Control

As a professional clear round plastic cake box supplier, we implement strict quality control across injection molding, locking assembly, and finished product inspection stages.

Quality control checkpoints for clear round plastic cake box with locking lid production
Checkpoint Method Standard
Material Purity FTIR spectroscopy, melt flow index test FDA/EU compliant, no heavy metals
Transparency Test Haze meter, light transmittance test Lid transmittance ≥85%, haze ≤5%
Latch Strength 10,000 open-close fatigue cycles No breakage, no loosening, locking force ≥80%
Airtightness Test Negative pressure seal test (-10kPa, 30 seconds) No leakage, no pressure decay
Dimensional Accuracy Caliper measurement, go/no-go gauge inspection Diameter ±1.0mm, height ±0.5mm
Low-Temperature Test -20°C freezing for 72 hours followed by impact test No brittle fracture, locking function normal

Procurement Guide for B2B Buyers

When sourcing from a clear round plastic cake box supplier, buyers should comprehensively evaluate locking reliability, material safety, and production capacity stability.

Supplier Qualification Requirements

  • FDA/EU food contact compliance and BSCI social certification
  • Food-grade PP injection molding and precision locking assembly capability
  • Annual capacity exceeding 50 million pieces for peak season reliability
  • In-house mold development capability supporting size and structure customization

Customization Options

Customization parameters for clear round plastic cake box with locking lid
Option MOQ Impact Tooling Cost Lead Time
Base Color Customization +20% $0 +3-5 days
Box Body Logo Printing +50% $3,000-8,000 +10-15 days
Size Customization +100% $8,000-20,000 +25-40 days
Label Area Reservation +10% $1,000-2,000 +5-7 days

Standard MOQ is 5,000-10,000 pieces per SKU. Holiday peak season (Q4) requires 8-12 week advance ordering.

Market Trends and Sustainability

The clear round plastic cake box with locking lid market is evolving toward multi-functionality and environmental responsibility. Increasingly, cake box with locking lid manufacturers are adopting rPP (recycled polypropylene) materials, targeting 30% recycled content by 2027. Stackable nesting design has become a new trend, reducing empty box stacking height by 40% and significantly lowering warehousing and transportation costs. Additionally, microwave heating capability (heat resistant to 120°C) is spreading from premium lines to standard lines, meeting consumer demand for "one box, multiple uses."

Frequently Asked Questions (FAQ)

Q1: Can this cake box be placed in the freezer?

Yes. PP material remains functional at -20°C, and the locking structure has passed freezer testing, making it suitable for storing ice cream cakes, frozen cheesecakes, and other low-temperature desserts.

Q2: Does it contain BPA or other harmful substances?

No. As a professional clear round plastic cake box supplier, all our products use BPA-free food-grade PP raw materials, certified by FDA/EU food contact safety standards.

Q3: Is the locking latch prone to damage?

No. Each latch undergoes 10,000 open-close fatigue cycles with no breakage or loosening. Under normal use, it can be repeatedly opened and closed for several years.

Q4: How is the seal performance? How long can it preserve freshness?

Airtightness testing confirms no leakage under -10kPa negative pressure for 30 seconds, indicating excellent seal performance. Compared to ordinary open cake boxes, it can extend dessert freshness by 2-3 days.

Q5: Can sizes be customized?

Yes. Diameter and height customization are supported, with tooling costs of $8,000-20,000 and MOQ increase of 100%. Suitable for chain bakery brands seeking unified packaging.

Q6: What is the wholesale MOQ?

5,000-10,000 pieces per SKU. Custom colors or printing may require 20,000-30,000 pieces.

Q7: How far in advance should peak season orders be placed?

8-12 weeks. Holiday peak season (September-December) experiences tight capacity; advance planning is recommended.

Q8: Can it be used in the microwave?

Yes. PP material is heat resistant to 120°C, suitable for microwave heating at medium-low power. However, we recommend removing metal decorations before heating.

Q9: Will the lid transparency yellow over time?

We use UV-resistant modified PP raw material. After QUV accelerated aging testing (500 hours), color difference Delta E < 2.0. Under normal use conditions, no significant yellowing will occur within 3 years.

Q10: How to distinguish premium from inferior cake boxes?

Premium products should feature: high-transparency lid (transmittance ≥85%), smooth locking latch operation, clear food-grade certification markings, no odor, and reliable cake box with locking lid manufacturer credentials.