12 x 12 x 5 Cake Boxes – Case of 100
The 12 x 12 x 5 cake boxes offered by ConceptASR provide spacious professional packaging for large cakes, decorated creations and pastry assortments. Manufactured in Canada by Seaside Paper Products, these large white folding boxes are made from 24PT paperboard and supplied in commercial cases of 100 units.
Their square 12 × 12-inch base provides additional surface area for larger products, while the five-inch height offers clearance for icing, fruit, chocolate, rosettes and other moderate decorations.
These windowless cake boxes are available on order for bakeries, pastry shops, cake decorators, cafés, restaurants, hotels, caterers and other professional food-service businesses.
Large 12 × 12 × 5-Inch Format
Each box measures approximately:
- 12 inches in length;
- 12 inches in width;
- 5 inches in height.
The large square base may accommodate compatible round cakes, square cakes, pastry trays and other products requiring more surface area than standard nine- or ten-inch boxes.
Depending on the finished dimensions, possible applications include:
- Large birthday cakes;
- Square cakes;
- Decorated cakes;
- Cheesecakes;
- Fruit cakes;
- Cakes with icing;
- Large pies;
- Pastry trays;
- Dessert assortments;
- Corporate orders;
- Celebration cakes;
- Seasonal creations;
- Products prepared for events.
The cake must always be measured after all icing, decorations and toppings have been added. The dimensions of the cake board or tray must also be considered.
A cake measuring exactly 12 inches may require a larger box if its board, icing or decorations extend beyond the nominal dimensions.
Five-Inch Height for Decorated Cakes
The five-inch height provides additional clearance for decorated creations.
This space may accommodate compatible products featuring:
- Piped icing;
- Decorative rosettes;
- Fruit arrangements;
- Chocolate decorations;
- Nuts and garnishes;
- Moderate cake toppers;
- Layered construction;
- Elevated surface decorations;
- Thick cake boards.
A box that is too low may press against the top of the cake and damage its presentation. Before selecting this model, measure the highest point of the completely finished product.
Include:
- The cake’s total decorated height;
- The thickness of the cake board;
- The height of fruit or chocolate pieces;
- Any decorative border;
- The space needed for safe insertion;
- The clearance required to close the lid.
If the complete product exceeds five inches, another packaging format will be required.
Designed for Large Cakes
The 12 × 12-inch base provides more space than the smaller formats in the ConceptASR bakery-box collection.
This size may be useful for professional businesses that prepare:
- Larger-diameter cakes;
- Large square cakes;
- Cakes serving more guests;
- Event desserts;
- Corporate orders;
- Dessert assortments;
- Larger cheesecakes;
- Decorative seasonal products;
- Celebration cakes;
- Pastry presentations.
The nominal pan or cake size should not be used as the only measurement. The cake may become wider after icing is added, and the supporting board may extend beyond the finished product.
Leaving reasonable clearance around the cake helps employees insert and remove it without touching the decorations.
White 24PT Paperboard
These boxes are manufactured from white 24PT paperboard.
The white material provides a clean, neutral and professional presentation. It can complement many bakery identities and allows businesses to add their own appropriate branding elements.
Possible additions include:
- A business-logo label;
- An order-identification sticker;
- A closure seal;
- A decorative ribbon;
- An ingredient label;
- Storage instructions;
- A customer message;
- A flavour label.
The folding paperboard construction also allows the boxes to be stored flat before use. This can help businesses manage packaging inventory while limiting the space occupied by assembled boxes.
The paperboard must be stored in a clean and dry environment and protected from water, excessive humidity and strong odours.
Windowless Professional Presentation
This model does not include a transparent window.
The opaque exterior completely covers the cake until the box is opened. This can help preserve the surprise of a decorated creation and provide a consistent exterior presentation for different orders.
A windowless box may offer:
- A clean exterior surface;
- Protection from direct handling;
- A discreet presentation;
- Space for branding labels;
- Room for order information;
- A consistent appearance;
- No separate transparent window material.
Because the contents are not visible when the box is closed, businesses may wish to label each order with the customer’s name, product type, pickup time and necessary storage instructions.
The folding closure is not airtight, insulated or leakproof.
For Bakeries and Pastry Shops
These large cake boxes are intended for professional users, including:
- Artisan bakeries;
- Pastry shops;
- Custom cake decorators;
- Cafés;
- Restaurants;
- Hotels;
- Catering services;
- Production kitchens;
- Specialty grocery stores;
- Grocery-store bakery departments;
- Event companies;
- Dessert manufacturers;
- Multi-location food-service businesses.
This size can be used for everyday production as well as birthdays, weddings, receptions, corporate events and seasonal celebrations.
Its large square surface may also accommodate certain pastry or dessert assortments arranged inside one box.
Case of 100 Boxes
Each commercial case contains 100 folding cake boxes.
This package quantity is intended for businesses that regularly use large-format bakery packaging.
Before ordering, evaluate:
- The number of compatible cakes sold each week;
- Monthly usage;
- The proportion of orders requiring a 12-inch base;
- Seasonal demand;
- Upcoming events;
- Corporate orders;
- Available storage space;
- Normal replenishment time;
- The number of other box dimensions stocked.
Because these boxes are relatively large, the case and the flat boxes may require more storage space than smaller bakery-box formats.
Planning inventory before busy periods can help prevent packaging shortages.
Supplied Flat Before Assembly
The boxes are supplied in a folding format and may remain flat until needed.
Recommended storage practices include:
- Keeping the boxes inside their original case;
- Storing them off the floor;
- Using a clean and dry storage area;
- Protecting them from water and humidity;
- Keeping them away from heat sources;
- Avoiding strong odours;
- Preventing crushing or bending;
- Rotating inventory according to standard procedures.
Boxes should be assembled on a sanitary work surface using clean, dry hands. Employees should follow the intended folding sequence so that the sides and lid remain correctly positioned.
Cake Boards and Rigid Supports
A cake board or rigid tray is not identified as being included with these boxes.
For large or heavy cakes, a sufficiently strong board is essential. The box provides exterior presentation and protection, but it does not replace the structural support required beneath the product.
A suitable cake board may help:
- Support the cake’s weight;
- Reduce bending;
- Facilitate handling;
- Improve stability;
- Protect the box bottom;
- Simplify insertion and removal;
- Create a more professional presentation.
The board dimensions must be compatible with the box. A board measuring exactly 12 × 12 inches may leave very little room for placement or removal.
Testing the complete product, board and assembled box is recommended before ordering a large quantity.
Protection During Handling
A correctly sized cake box can help protect the product from dust, direct handling and certain accidental contacts.
It also helps employees move the order between:
- The production kitchen;
- The decorating station;
- The refrigerated-storage area;
- The sales counter;
- The customer pickup area;
- The delivery vehicle;
- The final destination.
The box must still be handled carefully. Large cakes can be heavy, and the bottom should always be supported during movement.
Avoid carrying a large cake box by its sides or lid alone.
Transportation Recommendations
Before transporting a cake, verify:
- The product’s stability on its board;
- The strength of the supporting base;
- Complete box closure;
- Clearance around the decorations;
- Stability inside the vehicle;
- Required food temperature;
- Transportation duration;
- The condition of the route;
- Protection from rain and condensation.
Keep the box level and place it on a flat, stable surface. Prevent it from sliding during turns, braking or acceleration.
Do not place heavy objects on top of the box. Provide the customer with appropriate handling and refrigeration instructions when necessary.
Food Compatibility and Interior Protection
The paperboard box should not automatically be considered greaseproof, moisture-resistant, liquid-proof or suitable for direct contact with every food product.
Depending on the cake or pastry, additional interior protection may be required, including:
- A rigid cake board;
- A food-safe liner;
- Parchment paper;
- An interior tray;
- A grease-resistant barrier;
- Another suitable food-contact support.
Businesses should evaluate:
- Grease content;
- Moisture;
- Syrups and fillings;
- Fruit juices;
- Product temperature;
- Condensation;
- Refrigeration requirements;
- Storage duration;
- Transportation conditions.
The bakery or food-service operator remains responsible for confirming the suitability of the complete packaging arrangement.
Made in Canada
The 12 × 12 × 5-inch cake boxes are manufactured in Canada by Seaside Paper Products.
Canadian-made standard packaging may help businesses reduce certain constraints associated with direct overseas custom production, including:
- Very large minimum quantities;
- Long ocean-freight schedules;
- Customs formalities;
- International transportation fluctuations;
- Full-container purchasing requirements;
- Tooling costs for custom boxes.
ConceptASR can therefore offer this format in a commercial case rather than requiring a custom order of several thousand units.
Product availability remains subject to the manufacturer’s inventory and production schedule.
Available on Order
These boxes are available on order through ConceptASR.
The displayed price applies to one commercial case containing 100 boxes. Availability, processing time and delivery conditions may vary according to inventory, order quantity and destination.
Large paperboard packaging can occupy considerable shipping volume despite having a relatively moderate weight. Transportation costs may therefore vary for multiple cases or certain locations.
Businesses requiring the boxes for a particular event or production date should confirm availability before submitting a time-sensitive order.
Product Specifications
- Product: Large folding cake boxes;
- Dimensions: 12 × 12 × 5 inches;
- Manufacturer reference: CB12125;
- Material: White 24PT paperboard;
- Colour: White;
- Shape: Large square;
- Height: 5 inches;
- Window: No;
- Quantity: 100 boxes per case;
- Storage format: Supplied flat before assembly;
- Intended users: Bakeries and professional food-service businesses;
- Manufacturer: Seaside Paper Products;
- Country of manufacture: Canada;
- Availability: Available on order.
Selecting the Correct Box Size
Before purchasing, measure:
- The cake’s maximum width or diameter;
- The total decorated height;
- The cake-board dimensions;
- The board thickness;
- The approximate product weight;
- The space required around decorations;
- The clearance needed for insertion;
- Transportation requirements.
The measurements should be taken after the cake is fully decorated rather than from the baking pan alone.
If the cake, decorations or board exceed the available dimensions, select a larger box.
Testing one assembled box with the actual finished product is recommended whenever exact fit and presentation are important.
Order 12 x 12 x 5 Cake Boxes from Concept ASR
ConceptASR supplies 12 x 12 x 5 cake boxes to bakeries, pastry shops, custom cake decorators, cafés, restaurants, hotels, caterers and other professional customers throughout Québec and Canada.
Their large square base, five-inch height, white 24PT paperboard and windowless construction provide professional packaging for compatible large cakes, decorated creations and pastry assortments.
Measure the finished product, decorations and supporting board carefully before ordering. For assistance confirming availability or selecting another bakery-box size, contact ConceptASR with the complete product dimensions and required quantity.
Product sold by the case of 100 boxes. Available on order. Final availability and lead time are subject to confirmation.





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