

19 Grams
Biodegradable
Compostable
Food Safe
Freezer Safe
Microwave Safe
19 Grams
Biodegradable
Compostable
Food Safe
Freezer Safe
Microwave Safe

Burger Box Bagasse Clamshell Takeaway Container
Square footprint for burger service
Specified by burger-led operators who want compostable parity across the hot counter without moving to kraft paperboard wraps. The square bagasse footprint holds a 4-5 inch bun stack with a short side of chips, where the rectangular 9x6 bagasse clamshell over-allocates length and leaves the burger sliding. Moulded from 100% sugarcane pulp, the BioFlex box is microwave and freezer safe, breaks down in 60-90 days, and slots into an eco-friendly packaging range already running bagasse plates and bowls.
Specifications
- Product type: Burger clamshell takeaway box
- Material: 100% bagasse (sugarcane pulp)
- Compartments: Single
- Lid: Hinged clamshell closure
- External dimensions: Not stated
- Internal dimensions: Not stated
- Pack quantity: 500 pcs
- Microwave-safe: Yes
- Freezer-safe: Yes
- Oven-safe: Not stated
- Compostable: Yes, breaks down in 60-90 days
- Food-contact certification: Complies with UK food packaging regulations
Frequently asked questions
Will a standard pub or smash burger fit without crushing the bun?
The square footprint is sized for a 4-5 inch bun stack, so a standard pub burger or double smash sits flat under the lid without forcing the top bun into the hinge.
Can the box go straight into a microwave for reheats?
Yes, the bagasse construction is microwave and freezer safe, so burgers held during a rush can be reheated without transferring to another container.
How does it compare to a rectangular bagasse clamshell for burger service?
A rectangular clamshell suits chips or wraps but leaves a round burger sliding lengthways, whilst the square box keeps the bun centred and reduces wasted space.
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FAQs
Please read our FAQs page to find out more.
Is this baking paper environmentally friendly?
Absolutely! Purewrap Baking Paper is made from responsibly sourced FSC certified materials and is biodegradable.
Is this baking paper reusable, or is it single-use?
Purewrap Baking Paper is designed for single-use to ensure optimal non-stick performance and hygiene.
Can I use this paper for grilling and roasting?
Yes! It is suitable for roasting vegetables, grilling meats, and even air fryer use. However, avoid placing it directly on a grill rack or open flame.
Can I use this baking paper in the microwave?
Yes! It is microwave-safe and suitable for reheating food, wrapping sandwiches, or lining microwave-safe containers.

