Pizza Boxes
21x16x3.5cm Cardboard Postal Box
External Dimensions: 21x16x3.5cm
Internal Dimensions (E-flute) (approximate): 19.8x15.6x3.1cm
21x16x3.5cm Cardboard Postal Box - Pack (50 Units) / Brown outside & inside / Medium Duty (E-flute) is backordered and will ship as soon as it is back in stock.
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Material: FSC Certified
Recycled content: 100% recycled corrugated. 0% virgin kraft.
Plastic content: 100% PLASTIC FREE. 100% recyclable.
Carbon footprint/unit: Zero Carbon. Better than carbon neutral
Box Size(external): 210 x 160 x 35mm [8.27 x 6.3 x 1.38 inches]
Royal Mail Tariff: Small parcel compliant
Supplied flat size/unit weight (approx): 361 x 425mm / 63g
Style: Single wall FEFCO 0427 die cut pizza box UK Made by Lil
Our reliable 21x16x3.5cm cardboard postal box is here to ensure your shipments reach their destination safely and securely. Built to withstand the rigours of transit, this box offers uncompromising protection for your valuable merchandise. From small electronics to fashion accessories and more, this versatile box is designed to accommodate various items with ease. The easy-to-assemble design and secure flap closure provide convenience during packing, giving you confidence that your valuable merchandise is protected from damage during transit. Whether you're a business owner fulfilling orders or an individual sending thoughtful gifts, this postal box caters to your needs with ease and efficiency.
Beyond its practicality, our 21x16x3.5cm cardboard postal box aligns with your eco-conscious values. Crafted from recyclable materials, it reflects our shared responsibility to minimise environmental impact and promote sustainable shipping practices. By choosing this environmentally friendly option, you can contribute to a greener future while ensuring the safe delivery of your packages. Experience the difference of shipping with reliability and sustainability combined. Embrace the dependable protection of our 21x16x3.5cm cardboard postal box and ensure your items reach their destination unharmed and ready to be enjoyed.
Return information
Return information
Returns and Refund Policy
Below you will find our returns policy – which is all about YOU.
We want you to be 100% satisfied with any order placed with us. Therefore if you are dissatisfied with your purchase and wish to return an item you may contact us by email at sales@lilpackaging.com within 30 days of your purchase, stating the reason for return*. We will then supply you with a return address and returns number, which is very important because no goods can be returned without a returns number.
*If the correct goods have been sent and you've made a mistake whilst placing the order, we are happy to accept returns for a refund, but you will need to cover delivery costs. All returns must be organised within 30 days of receiving your order. Items must be unused, undamaged and still have their original packaging and labelling attached. Nothing in these conditions affects your statutory rights as a consumer. The credit card or PayPal account used for the purchase will be credited with the original purchase amount (less any delivery charge paid where appropriate).
For made-to-order products (including our 9000 pizza style postal boxes), unfortunately, we cannot accept returns if you have ordered the wrong size or if your product doesn't fit.
Returns on Digitally Printed items
In the unlikely event of your custom packaging arriving damaged, missing items or is of incorrect specification (outside of the print, material specifications and variances as stated on our product descriptions) then please contact our mail happy team on sales@lilpackaging.com who will be more than happy to help you put things right.
As these items are made to order, we can only offer returns if the items you purchased are deemed faulty.
In all instances, if you’re not happy please do give us a call - we will do what we can to help you.
To avoid disappointment, we always advise that you order 1 unit to test out our service before committing to a larger order.
Delivery and Shipping
Delivery and Shipping
So you've either placed your order for packaging from lilpackaging.com, or you're considering it. Naturally you want to know what happens in terms of our packaging delivery terms to you.
All of our items are dispatched same day when ordered before 1:30pm (GMT). 98% of our orders placed during the week are received next day. We offer free delivery throughout the UK when you spend over £175
Dispatch times may vary during peak period – please contact us if your order is urgent.
Palletised orders
You order may be delivered on a pallet if…
- Your order contains 6 packs or more
- Your order contains multiple oversize packaging items or packs of our larger products
- Your order contains Part-pallet or Pallet order quantities
The majority of orders are dispatched via DPD24 unless palletised or international. If sent via DPD, you will be sent an email or text when the goods have been dispatched with an allocated delivery slot.
Delivery times by Country
- UK - 1-2 working days
- Mainland Europe - 3-5 working days
- USA - 5-7 working days
- Canada - 6-8 working days
21x16x3.5cm Cardboard Postal Box
Seriously strong cardboard box
Pick E-Flute or B-Flute
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Why our pizza box is a Lil special
Learn our cardboard boxes special features
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How to Pack our 21x16x3.5cm Cardboard Postal Box
