Benefits of letterbox-friendly boxes

• Royal Mail compliant – our letterbox boxes meet Royal Mail’s postage size specifications meaning you can send your item safely with Royal Mail.
• Safety – if you’re sending a more fragile or important item, it is much safer sending in a postal letterbox box than it is in a regular envelope whilst still being able to fit through the letterbox.
• Efficiency – our letterbox boxes are designed to be completely efficient, using minimal material to reduce waste and cut down on packaging expenses.
• Customer experience – letterbox boxes offer a great customer experience with their easy openings and convenient size that means they can be delivered directly through the letterbox without the recipient needing to be home.
• Eco-conscious – letterbox-friendly boxes are 100% recyclable making them kinder on the environment.
• Elegant presentation – there’s something elegant about packaging that can easily fit through your letterbox. Our letterbox boxes are therefore perfect for presents, vouchers, or special notes.
• Customisable – our letterbox boxes are fully printable, meaning you can add your business’ logo and branding whether you’re a small start-up or large corporation.

What are postal letterbox boxes used for?

Postal letterbox boxes are extremely versatile and can fit a range of different items in them. Here are just a small number of ways letterbox-friendly boxes can be used, but the possibilities are endless.

Small products

Letterbox boxes are the perfect size and shape to ship small products for a range of industries. It’s a secure, convenient, and cost-effective method for delivery which is perfect for small businesses such as Etsy shops and other home businesses. They’re great for items like skincare and makeup, jewellery, and tech accessories.

Welcome packs

Welcome packs are a great way to show your customers or employees your appreciation, and can help them feel more engaged with the business. Letterbox boxes are a practical way to send welcome packs or thank you gifts in a visually appealing and convenient way. They can hold items like snacks, office supplies, and more whilst representing the business through bespoke branding.

Online retail

Letterbox-friendly boxes are a game changer for online retailers. They’re great for streamlining shipping processes and reducing delivery costs whilst maintaining customer satisfaction with convenient letterbox delivery. 

Letterbox boxes for safe delivery

We specialise in ecommerce letterbox boxes, ideal for businesses that sell their goods online, such as eBay, Etsy, and Vinted, and want a safe and secure way of dispatching them to their new homes. Our postal letterbox boxes also act perfectly as subscription gift boxes.

Available letterbox box sizes

Small letterbox boxes

Our smaller letterbox boxes are ideal for small, lightweight products like jewellery, gift cards, samples, and stationary. Here are the available small letterbox-friendly boxes that we have available:

• 160 x 110 x 20
• 178 x 130 x 22 

Medium letterbox boxes

• 222 x 160 x 20 mm
• 239 x 180 x 22 mm

Large cardboard letterbox boxes

• 322 x 228 x 22 mm 
• 324 x 230 x 20 mm

Why choose Challenge Packaging 

A range of sizing options as well as speedy delivery makes it so easy to choose and receive your packaging, so you can send your goods off with peace of mind every time.

FAQs

Are the letter box boxes Royal Mail compliant?

How many letter box boxes come in a pack?

1 pack of letter box boxes contains 50 boxes. They’re available to order by the pallet too!

Orders placed before 3pm Monday-Friday are dispatched within 1-2 days. Orders placed after 3pm on Friday through to Monday at 3pm will be delivered on Tuesday or Wednesday.

Although we don’t currently offer next day delivery, in many cases, you can expect your order within one day. Providing we receive your order before 3PM on a weekday, you can expect your boxes to be put on our 1-2 day delivery turnaround.

Yes, we can create custom printed letterbox boxes for your business to create elevated product packaging. Simply get in touch with us with your requirements and we can work together to create a truly special letterbox box.